127 
‘‘ 
9902.22.38 
Disperse dye mixtures of Dis-
perse Blue 77 (1-anilino-4,5- 
dihydroxy-8-nitroanthracene- 
9,10-dione) (CAS No. 
20241–76–3); Disperse Blue 
60 (M) (4,11-diamino-2-(3- 
methoxypropyl)naphtho[2,3- 
f]isoindole-1,3,5,10-tetrone) 
(CAS No. 12217–80–0); Dis-
perse Blue 60 (ME) (4,11- 
diamino-2-[3-(2- 
methoxyethoxy)propyl]-1H- 
naphth[2,3-f]isoindole- 
1,3,5,10(2H)-tetrone) (CAS 
No. 65059–45–2) and Dis-
perse Blue 77/54 (1,8- and 
1,5-Isomers) (1-anilino-4,8- 
dihydroxy-5-nitroanthracene- 
9,10-dione) (CAS No. 
37203–97–7) (provided for in 
subheading 3204.11.35) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21332. MIXTURES OF 4 DYES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.39 
Disperse dye mixtures of Sol-
vent Yellow 163 (1,8- 
bis(phenylsulfanyl) anthra-
cene-9,10-dione) (CAS No. 
13676–91–0); Disperse Yel-
low FD11843 (acetic acid, 2- 
[3-(2-benzothiazolylamino)- 
1H-isoindol-1-ylidene]-2- 
cyano-, butyl ester) (CAS No. 
173285–73–9)); acetic acid, 
[3-(2-benzothiazolylamino)- 
1H-isoindol-1-ylidene]cyano-, 
2-butoxyethyl ester (CAS No. 
173285–94–4); Disperse Or-
ange FC 84508 (acetic acid, 
2-cyano-2-[3-[(6-methoxy-2- 
benzothiazolyl)amino]-1H- 
isoindol-1-ylidene]-, pentyl 
ester) (CAS No. 173285–74– 
0) and Disperse Yellow 163 
(3-[N-(2-cyanoethyl)-4-[(2,6- 
dichloro-4- 
nitrophenyl)diazenyl]anilino] 
propanenitrile) (CAS No. 
67923–43–7) (provided for in 
subheading 3204.11.35) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21333. DISPERSE RED 86. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.22.40 
Disperse Red 86 (N-(4- 
Amino-3-methoxy-9,10- 
dioxoanthracen-1-yl)-4- 
methylbenzenesulfonamide) 
(CAS No. 81–68–5) (pro-
vided for in subheading 
3204.11.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21334. DISPERSE VIOLET 1. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.41 
Disperse Violet 1 (1,4- 
Diaminoanthracene-9,10- 
dione) (CAS No. 128–95–0) 
(provided for in subheading 
3204.11.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21335. DISPERSE BLUE 60. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.42 
Disperse Blue 60 (4,11- 
Diamino-2-(3-methoxy- 
propyl)-naphtho[2,3- 
f]isoindole-1,3,5,10-tetraone) 
(CAS No. 12217–80–0) (pro-
vided for in subheading 
3204.11.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21336. MIXTURES OF DISPERSE ORANGE 29, DISPERSE 
RED 167:1, AND DISPERSE BLUE 56. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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129 
‘‘ 
9902.22.43 
Disperse dye mixtures of Dis-
perse Orange 29 (4-[[2- 
methoxy-4-[(4-nitrophenyl) 
diazenyl]phenyl] 
diazenyl]phenol) (CAS No. 
19800–42–1); Disperse Red 
167:1 (2-[3-acetamido-N-(2- 
acetyloxyethyl)-4-[(2-chloro-4- 
nitrophenyl)diazenyl] 
anilino]ethyl acetate) (CAS 
No. 1533–78–4); Disperse 
Blue 56 (1,8-diamino-2- 
bromo-4,5- 
dihydroxyanthracene-9,10- 
dione) (CAS No. 68134–65– 
6) and acetic acid, 2-[3-(2- 
benzothiazolylamino)-1H- 
isoindol-1-ylidene]-2-cyano-, 
2-butoxyethyl ester (CAS No. 
173285–94–4) (provided for 
in subheading 3204.11.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21337. DISPERSE YELLOW 54. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.44 
Disperse Yellow 54 (3-Hy-
droxy-2-(3-hydroxyquinolin-2- 
yl)inden-1-one) (CAS No. 
17772–51–9) (provided for in 
subheading 3204.11.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21338. ACID VIOLET 48. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.45 
Acid Violet 48 (Disodium 3- 
[[4-amino-9,10-dioxo-3-[2- 
sulfonato-4-(2,4,4- 
trimethylpentan-2- 
yl)phenoxy]anthracen-1- 
yl]amino]-2,4,6- 
trimethylbenzenesulfonate) 
(CAS No. 12220–51–8) (pro-
vided for in subheading 
3204.12.17) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21339. ACID BLUE 280. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.22.46 
Acid Blue 280 (Sodium 2- 
[[4-(cyclohexylamino)-9,10- 
dioxoanthracen-1-yl]amino]- 
5-ethoxybenzenesulfonate) 
(CAS No. 68214–62–0) (pro-
vided for in subheading 
3204.12.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21340. ACID BROWN 282. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.47 
Acid Brown 282 (Diso-
dium;chromium(3+);5-meth-
yl-4-[(5-nitro-2- 
oxidophenyl)diazenyl]-2- 
phenylpyrazol-3-olate;[7- 
nitro-3-oxido-4-[(2-oxido-1,4- 
dihydronaphthalen-1- 
yl)diazenyl]naphthalen-1-yl] 
sulfate) (CAS No. 70236– 
60–1) (provided for in sub-
heading 3204.12.20) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21341. ACID RED 131. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.48 
Acid Red 131 (CAS No. 
12234–99–0) (provided for in 
subheading 3204.12.20) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21342. ACID RED 249. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.49 
Acid Red 249 (Disodium 3- 
[(5-chloro-2- 
phenoxyphenyl)diazenyl]-4- 
hydroxy-5-[(4- 
methylpheny-
l)sulfonylamino]naphthalene- 
2,7-disulfonate) (CAS No. 
6416–66–6) (provided for in 
subheading 3204.12.20) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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131 
SEC. 21343. ACID YELLOW 236. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.50 
Acid Yellow 236 (CAS No. 
77907–21–2) (provided for in 
subheading 3204.12.45) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21344. ACID RED 407. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.51 
Acid Red 407 (CAS No. 
146103–68–6) (provided for 
in subheading 3204.12.45) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21345. ACID YELLOW 220. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.52 
Acid Yellow 220 
(tetrasodium;2-[[3-[[(Z)-1-(2- 
chloroanilino)-3-oxido-1- 
oxobut-2-en-2-yl]diazenyl]-4- 
oxidopheny-
l]sulfonylamino]benzoate; co-
balt(2+)) (CAS No. 70851– 
34–2) (provided for in sub-
heading 3204.12.45) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21346. ACID YELLOW 232. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.53 
Acid Yellow 232 (Chromium, 
2-[2-(4,5-dihydro-3-methyl-5- 
oxo-1-phenyl-1H-pyrazol-4- 
yl)diazenyl]benzoate 2-[2- 
(4,5-dihydro-3-methyl-5-oxo- 
1-phenyl-1H-pyrazol-4- 
yl)diazenyl]-5-sulfobenzoate 
lithium sodium complexes) 
(CAS No. 85828–89–3) (pro-
vided for in subheading 
3204.12.45) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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132 
SEC. 21347. ACID YELLOW 235. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.54 
Acid Yellow 235 (CAS No. 
90585–54–9) (provided for in 
subheading 3204.12.45) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21348. ACID YELLOW 151. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.55 
Acid Yellow 151 (Sodium; 2- 
[[(Z)-1-anilino-3-oxido-1- 
oxobut-2-en-2-yl]diazenyl]-4- 
sulfamoylphenolate; co-
balt(3+)) (CAS No. 72496– 
88–9) (provided for in sub-
heading 3204.12.45) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21349. ACID VIOLET 43. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.56 
Acid Violet 43 (Sodium 2-[(4- 
hydroxy-9,10-dioxoanthracen- 
1-yl)amino]-5- 
methylbenzenesulfonate) 
(CAS No. 4430–18–6) (pro-
vided for in subheading 
3204.12.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21350. ACID BLACK 52. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.58 
Acid Black 52 (Tri-
sodium;chromium;3-hydroxy- 
4-[(2-hydroxynaphthalen-1- 
yl)diazenyl]-7- 
nitronaphthalene-1-sulfonate) 
(CAS No. 5610–64–0) (pro-
vided for in subheading 
3204.12.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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133 
SEC. 21351. ACID BLACK 2. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.59 
Acid Black 2 (Disodium 4- 
amino-5-hydroxy-3-[(E)-(4- 
nitrophenyl)diazenyl]-6-[(E)- 
phenyldiazenyl]-2,7- 
naphthalenedisulfonate) (CAS 
No. 8005–03–6) (provided 
for in subheading 
3204.12.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21352. ACID GREEN 25. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.60 
Acid Green 25 (Disodium;5- 
methyl-2-[[4-(4-methyl-2- 
sulfonatoanilino)-9,10- 
dioxoanthracen-1- 
yl]amino]benzenesulfonate) 
(CAS No. 4403–90–1) (pro-
vided for in subheading 
3204.12.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21353. BASIC BROWN 23. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.61 
Basic Brown 23 (CAS No. 
446876–48–8) (provided for 
in subheading 3204.13.60) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21354. BASIC VIOLET 11:1 RHODAMINE DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.22.62 
Basic Violet 11:1 (Bis{6- 
(diethylamino)-N,N-diethyl-9- 
[2-(methoxycarbonyl) 
phenyl]-3H-xanthen-3- 
iminium} 
tetrachlorozincate(2-)) (CAS 
No. 73398–89–7) (CIN 
45174) (provided for in sub-
heading 3204.13.60) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21355. BASIC YELLOW 37. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.63 
Basic Yellow 37 (4-[4- 
(diethylamin-
o)benzenecarboximidoyl]- 
N,N-diethylaniline; hydro-
chloride) (CAS No. 6358–36– 
7) (provided for in sub-
heading 3204.13.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21356. BASIC VIOLET 3. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.64 
Basic Violet 3 ([4-[bis[4- 
(dimethylamino)phenyl] 
methylidene]cyclohexa-2,5- 
dien-1-ylidene]- 
dimethylazanium;chloride) 
(CAS No. 548–62–9) (pro-
vided for in subheading 
3204.13.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21357. DIRECT ORANGE 118. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.65 
Direct Orange 118 
(Tetrasodium 7,7′- 
(carbonyldiimino)bis{4-hy-
droxy-3-[(E)-(2-methyl-4- 
sulfonatophenyl)diazenyl]-2- 
naphthalenesulfonate}) (CAS 
No. 28706–33–4) (provided 
for in subheading 
3204.14.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21358. DIRECT BLUE 86. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.66 
Direct Blue 86 (Copper; diso-
dium; 2,11,20,29, 38,40- 
hexaza-37,39- 
diazanidanonacyclo 
[28.6.1.13,10.112,19.121, 
28.04,9.013,18.022, 
27.031,36] tetraconta- 
1(36),2,4(9),5,7,10(40), 
11,13,15,17,19,21(38), 
22(27),23,25,28,30,32,34- 
nonadecaene-6,24- 
disulfonate) (CAS No. 1330– 
38–7) (provided for in sub-
heading 3204.14.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21359. DIRECT BLUE 199. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.67 
Direct Blue 199 (Copper, 
[29H,31H- 
phthalocyaninato(2-)- 
κN29,κN30,κN31,κN32]-, 
aminosulfonyl sulfo deriva-
tives, sodium salts) (CAS No. 
90295–11–7) (provided for in 
subheading 3204.14.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21360. DIRECT BLACK 168. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.68 
Direct Black 168 (Tri-
sodium;2-[4-[(2-amino-4- 
oxidophenyl)diazenyl]anilino]- 
5-[(1-amino-8-oxido-7- 
phenyldiazenyl-3,6- 
disulfonaphthalen-2- 
yl)diazenyl]benzenesulfonate) 
(CAS No. 85631–88–5) (pro-
vided for in subheading 
3204.14.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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136 
SEC. 21361. DIRECT RED 227. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.69 
Direct Red 227 
(Hexasodium;4-hydroxy-5- 
[[4-[4-[(E)-2-[4-[[4-[(8-hy-
droxy-7-phenyldiazenyl-3,6- 
disulfonatonaphthalen-1- 
yl)amino]-6-morpholin-4-yl- 
1,3,5-triazin-2-yl]amino]-2- 
sulfonatophenyl]ethenyl]-3- 
sulfonatoanilino]-6- 
morpholin-4-yl-1,3,5-triazin- 
2-yl]amino]-3- 
phenyldiazenylnaphthalene- 
2,7-disulfonate) (CAS No. 
17791–81–0) (provided for in 
subheading 3204.14.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21362. DIRECT YELLOW 107. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.70 
Direct Yellow 107 (3-[[3- 
Methoxy-4-[[2-methoxy-4-[(3- 
sulfophenyl)diazenyl] 
phenyl]carbamoylamino] 
phenyl]diazenyl] 
benzenesulfonic acid) (CAS 
No. 25712–08–7) (provided 
for in subheading 
3204.14.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21363. DIRECT GREEN 26. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.71 
Direct Green 26 
(Pentasodium;5-[[4-[[4- 
anilino-6-[[8-hydroxy-7-[[4- 
[(8-hydroxy-3,6- 
disulfonatonaphthalen-1- 
yl)diazenyl]-2-methoxy-5- 
methylphenyl]diazenyl]-3,6- 
disulfonatonaphthalen-1- 
yl]amino]-1,3,5-triazin-2- 
yl]amino]phenyl]diazenyl]-2- 
hydroxybenzoate) (CAS No. 
6388–26–7) (provided for in 
subheading 3204.14.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21364. DIRECT YELLOW 11. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.72 
Direct Yellow 11 (Disodium; 
6-oxo-5-[(4- 
sulfonatopheny-
l)hydrazinylidene] naph-
thalene-2-sulfonate) (CAS 
No. 1325–37–7) (provided 
for in subheading 
3204.14.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21365. DIRECT ORANGE 15. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.73 
Direct Orange 15 (Sodium; 
(8Z,20Z)-2,3,14,15- 
tetrazapentacyclo 
[20.2.2.24,7.210,13.216,19] 
dotriaconta-1(24),2,4,6,8,10, 
12,14,16,18,20, 
22,25,27,29,31-hexadecaene- 
6,11,18,23-tetrasulfonic acid) 
(CAS No. 1325–35–5) (pro-
vided for in subheading 
3204.14.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21366. DIRECT BROWN 44. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.74 
Direct Brown 44 (Disodium; 
4-[[2,4-diamino-5-[[3-[[2,4- 
diamino-5-[(4- 
sulfonatophenyl) 
diazenyl]phenyl]diazenyl] 
phenyl]diazenyl]phenyl] 
diazenyl]benzenesulfonate) 
(CAS No. 6252–62–6) (pro-
vided for in subheading 
3204.14.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21367. DIRECT RED 81. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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138 
‘‘ 
9902.22.75 
Direct Red 81 (Disodium;7- 
benzamido-4-hydroxy-3-[[4- 
[(4-sulfonatophenyl)diazenyl] 
phenyl]diazenyl]naphthalene- 
2-sulfonate) (CAS No. 2610– 
11–9) (provided for in sub-
heading 3204.14.50) .............
2% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21368. DIRECT YELLOW 142. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.76 
Direct Yellow 142 (CAS No. 
71902–08–4) (provided for in 
subheading 3204.14.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21369. DIRECT RED 80. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.77 
Direct Red 80 
(hexasodium;4-hydroxy-7-[[5- 
hydroxy-7-sulfonato-6-[[2- 
sulfonato-4-[(4- 
sulfonatophenyl) 
diazenyl]phenyl]diazenyl] 
naphthalen-2- 
yl]carbamoylamino]-3-[[2- 
sulfonato-4-[(4- 
sulfonatophenyl)diazenyl] 
phenyl]diazenyl]naphthalene- 
2-sulfonate) (CAS No. 2610– 
10–8) (provided for in sub-
heading 3204.14.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21370. DIRECT RED 16. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.78 
Direct Red 16, disodium salt 
(disodium;7-amino-4-hydroxy- 
3-[(5-hydroxy-6- 
phenyldiazenyl-7- 
sulfonatonaphthalen-2- 
yl)diazenyl]naphthalene-2- 
sulfonate) (CAS No. 6227– 
02–7) (provided for in sub-
heading 3204.14.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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139 
SEC. 21371. DIRECT RED 254. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.79 
Direct Red 254 (Disodium;7- 
amino-4-hydroxy-3-[[4-[(4- 
sulfonatophenyl)diazenyl] 
phenyl]diazenyl]naphthalene- 
2-sulfonate) (CAS No. 6300– 
50–1) (provided for in sub-
heading 3204.14.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21372. COLORANT. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.80 
Copper, [μ-[[3,3′-[(1-oxido- 
1,2-diazenediyl)bis[[2-(hy-
droxy-κO)-4,1-phenylene]- 
2,1-diazenediyl-κN1]]bis[4- 
(hydroxy-κO)-2,7- 
naphthalenedisulfonato]](8- 
)]]di-, sodium (1:4) (CAS No. 
75173–68–1) (provided for in 
subheading 3204.14.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21373. DIRECT YELLOW 34. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.81 
Direct Yellow 34 
(Tetrasodium;3-[[4-[[4-[(4,8- 
disulfonatonaphthalen-2- 
yl)diazenyl]-2-methoxy-5- 
methylpheny-
l]carbamoylamino]-5- 
methoxy-2- 
methylpheny-
l]diazenyl]naphthalene-1,5- 
disulfonate) (CAS No. 6420– 
33–3) (provided for in sub-
heading 3204.14.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21374. VAT ORANGE 2 DYE POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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140 
‘‘ 
9902.22.82 
Vat Orange 2 (1,2- 
Dibromopyranthrene-8,16- 
dione) (CAS No. 1324–35–2) 
(provided for in subheading 
3204.15.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21375. VAT VIOLET 13 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.83 
Vat Violet 13 (5,20- 
Diazaheptacyclo 
[16.12.0.03,16.04,13.06, 
11.019,28.021,26] triaconta- 
1(18),3(16),4(13),6,8,10, 
14,19(28),21,23, 25,29- 
dodecaene-2,12,17,27- 
tetrone) (CAS No. 4424–87– 
7) (CIN 68700) (provided for 
in subheading 3204.15.20) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21376. VAT BROWN 3 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.84 
Vat Brown 3 (N-(28- 
Benzamido-6,13,19,26- 
tetraoxo-16-azaheptacyclo 
[15.12.0.02,15.05,14.07, 
12.018,27.020,25] nonacosa- 
1(29),2(15),3,5(14),7(12), 
8,10,17,20,22,24,27- 
dodecaen-8-yl)benzamide) 
(CAS No. 131–92–0) (pro-
vided for in subheading 
3204.15.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21377. VAT RED 10 DYE POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.85 
Vat Red 10 (2-(1-Amino- 
9,10-dioxoanthracen-2- 
yl)naphtho[2,3- 
f][1,3]benzoxazole-5,10- 
dione) (CAS No. 2379–79–5) 
(provided for in subheading 
3204.15.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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141 
SEC. 21378. VAT BROWN 57 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.86 
Vat Brown 57 (CAS No. 
12227–28–0) (provided for in 
subheading 3204.15.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21379. VAT RED 31 DYE POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.87 
Vat Red 31 dye powder (1- 
Amino-2-[5-(1-amino-9,10- 
dioxoanthracen-2-yl)-1,3,4- 
oxadiazol-2-yl]anthracene- 
9,10-dione) (CAS No. 
52591–25–0) (CIN 60030) 
(provided for in subheading 
3204.15.40) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21380. DYE MIXTURES OF VAT BROWN 3 AND VAT 
BLACK 27. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.88 
Disperse dye mixtures of Vat 
Brown 3 (N-(28-benzamido- 
6,13,19,26-tetraoxo-16- 
azaheptacyclo [15.12.0.0¥ 
(2,15).0¥(5,14).0¥ 
(7,12).0¥(18,27).0¥ 
(20,25)] nonacosa- 
1(29),2(15), 3,5(14), 7(12), 
8,10,17,20,22, 24,27- 
dodecaen-8-yl)benzamide) 
(CAS No. 131–92–0) and 
Vat Black 27 (N-(28- 
benzamido-6,13,19, 26- 
tetraoxo-16-azaheptacyclo 
[15.12.0.0¥ 
(2,15).0¥(5,14).0¥ 
(7,12).0¥ 
(18,27).0¥(20,25)] 
nonacosa-1(29),2,4,7, 
9,11,14,17, 20,22, 24,27- 
dodecaen-4-yl) benzamide) 
(CAS No. 2379–81–9) (pro-
vided for in subheading 
3204.15.40) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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142 
SEC. 21381. VAT RED 13. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.89 
Vat Red 13 (15-Ethyl-12- 
(15-ethyl-8-oxo-14,15- 
diazatetracyclo 
[7.6.1.02,7.013,16] hexadeca- 
1(16),2,4,6,9,11,13-heptaen- 
12-yl)-14,15-diazatetracyclo 
[7.6.1.02,7.013,16] hexadeca- 
1(16),2,4,6,9,11,13-heptaen- 
8-one) (CAS No. 4203–77–4) 
(provided for in subheading 
3204.15.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21382. VAT YELLOW 2 DYE POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.90 
Vat Yellow 2 (6,16-Diphenyl- 
5,15-dithia-7,17- 
diazapentacyclo 
[11.7.0.03,11.04,8.014,18] 
icosa-1(13),3(11),4(8),6,9, 
14(18),16,19-octaene-2,12- 
dione) (CAS No. 129–09–9) 
(provided for in subheading 
3204.15.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21383. VAT YELLOW 33 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.91 
Vat Yellow 33 (N-(9,10- 
Dioxoanthracen-1-yl)-4-[4- 
[[4-[4-[(9,10-dioxoanthracen- 
1-yl)carbamoyl]phenyl] 
phenyl]diazenyl]phenyl] benz-
amide) (CAS No. 12227–50– 
8) (provided for in sub-
heading 3204.15.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21384. VAT GREEN 1 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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143 
‘‘ 
9902.22.92 
Vat Green 1 (Anthra[9,1,2- 
cde]benzo[rst]pentaphene- 
5,10-dione, 16,17-dimethoxy-) 
(CAS No. 128–58–5) (CIN 
59825) (provided for in sub-
heading 3204.15.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21385. VAT GREEN 3. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.93 
Vat Green 3 (Anthra[2,1,9- 
mna]naphth[2,3-h]acridine- 
5,10,15(16H)-trione) (CAS 
No. 3271–76–9) (CIN 
69500) (provided for in sub-
heading 3204.15.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21386. VAT BLUE 6 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.94 
Vat Blue 6 (15,30-Dichloro- 
2,17-diazaheptacyclo 
[16.12.0.03,16.04,13.06, 
11.019,28.021,26] triaconta- 
1(30),3,6,8,10,13,15,18,21, 
23,25,28-dodecaene- 
5,12,20,27-tetrone) (CAS No. 
130–20–1) (provided for in 
subheading 3204.15.80) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21387. VAT BLUE 20 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.95 
Vat Blue 20 (Anthra[9,1,2- 
cde]benzo[rst]pentaphene- 
5,10-dione) (CAS No. 116– 
71–2) (CIN 59800) (provided 
for in subheading 
3204.15.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21388. VAT VIOLET 1. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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144 
‘‘ 
9902.22.96 
Vat Violet 1 
(Benzo[rst]phenanthro 
[10,1,2-cde] pentaphene-9,18- 
dione, dichloro-) (CAS No. 
1324–55–6) (CIN 60010) 
(provided for in subheading 
3204.15.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21389. VAT BROWN 1 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.97 
Vat Brown 1 
(Naphth[2′,3′:6,7]indolo[2,3- 
c]dinaphtho[2,3-a:2′,3′- 
i]carbazole-5,10,15,17,22,24- 
hexone, 16,23-dihydro-) (CAS 
No. 2475–33–4) (CIN 
70800) (provided for in sub-
heading 3204.15.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21390. VAT BLACK 16 DYE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.98 
Vat Black 16 (8- 
Aminononacyclo 
[18.10.2.22,5.03,16.04,13.06, 
11.017,31.022,27.028,32] 
tetratriaconta- 
1(31),2,4,6(11), 
7,9,13,15,17,19,22,24,26, 
28(32),29,33-hexadecaene- 
12,21-dione) (CAS No. 
26763–69–9) (provided for in 
subheading 3204.15.80) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21391. VAT BLACK 25. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.22.99 
Vat Black 25 (Anthra[2,1,9- 
mna]naphth[2,3-h]acridine- 
5,10,15(16H)-trione, 3- 
[(9,10-dihydro-9,10-dioxo-1- 
anthracenyl)amino]-) (CAS 
No. 4395–53–3) (CIN 
69525) (provided for in sub-
heading 3204.15.80) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21392. VAT BLACK 27. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.01 
Vat Black 27 (Benzamide, 
N,N′-(10,15,16,17- 
tetrahydro-5,10,15,17- 
tetraoxo-5H-dinaphtho[2,3- 
a:2′,3′-i]carbazole-6,9- 
diyl)bis-) (CAS No. 2379– 
81–9) (CIN 69005) (provided 
for in subheading 
3204.15.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21393. REACTIVE YELLOW 145. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.02 
Reactive Yellow 145 
(Tetrasodium;7-[[2- 
(carbamoylamino)-4-[[4- 
chloro-6-[3-(2- 
sulfonatooxyethylsulfonyl) 
anilino]-1,3,5-triazin-2-yl] 
amino]phenyl]diazenyl] naph-
thalene-1,3,6-trisulfonate) 
(CAS No. 80157–00–2) (pro-
vided for in subheading 
3204.16.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21394. REACTIVE RED 195. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.03 
Reactive Red 195 
(Pentasodium 5-[[4-chloro-6- 
[3-(2- 
sulfonatooxyethylsulfony-
l)anilino]-1,3,5-triazin-2- 
yl]amino]-3-[(1,5- 
disulfonatonaphthalen-2- 
yl)diazenyl]-4- 
hydroxynaphthalene-2,7- 
disulfonate) (CAS No. 
77365–64–1) (provided for in 
subheading 3204.16.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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146 
SEC. 21395. REACTIVE BLUE 49. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.04 
Reactive Blue 49 (Trisodium 
1-amino-4-[3-[[4-chloro-6-(2- 
sulfonatoanilino)-1,3,5- 
triazin-2-yl]amino]-2,4,6- 
trimethyl-5-sulfonatoanilino]- 
9,10-dioxoanthracene-2- 
sulfonate) (CAS No. 72214– 
18–7) (provided for in sub-
heading 3204.16.30) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21396. REACTIVE BLUE 72. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.05 
Reactive Blue 72 (Cuprate(2- 
), [C-[[[3-[(4-amino-6-chloro- 
1,3,5-triazin-2-yl)amino]-4- 
sulfophenyl]amino]sulfonyl]- 
C-(aminosulfonyl)-29H,31H- 
phthalocyanine-C-sulfonato(4- 
)-κN29,κN30,κN31,κN32]-, 
sodium (1:2)) (CAS No. 
68967–01–1) (provided for in 
subheading 3204.16.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21397. REACTIVE YELLOW 95 POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.06 
Reactive Yellow 95 (Tri-
sodium 4-[[4-chloro-6-(3- 
sulfonatoanilino)-1,3,5- 
triazin-2-yl]amino]-2-[[1- 
ethyl-6-hydroxy-4-methyl-2- 
oxo-5- 
(sulfonatomethyl)pyridin-3- 
yl]diazenyl]benzenesulfonate) 
(CAS No. 89923–43–3) (pro-
vided for in subheading 
3204.16.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21398. REACTIVE RED 245. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.07 
Reactive Red 245 
(Tetrasodium 5-[4-chloro-6- 
(N-ethylanilino)-1,3,5-triazin- 
2-ylamino]-4-hydroxy-3-(1,5- 
disulfonatonaphtalen-2- 
ylazo)naphthalene-2,7- 
disulfonate) (CAS No. 
130201–57–9) (provided for 
in subheading 3204.16.30) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21399. REACTIVE BROWN 11. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.08 
Reactive Brown 11 
(Tetrasodium; 2-[[4-[[4-[(4- 
amino-6-chloro-1,3,5-triazin- 
2-yl)amino]-5- 
sulfonatonaphthalen-1- 
yl]diazenyl]-7- 
sulfonatonaphthalen-1- 
yl]diazenyl]benzene-1,4- 
disulfonate) (CAS No. 
70161–16–9) (provided for in 
subheading 3204.16.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21400. MIXTURES OF REACTIVE BLACK 5 (NA) (FKP), 
REACTIVE SCARLET F01–0439, AND REACTIVE 
ORANGE 131. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.09 
Disperse dye mixture of Re-
active Black 5 (Na) (FKP) 
(tetrasodium; 4-amino-5-hy-
droxy-3,6-bis[[4-(2- 
sulfonatooxyethylsulfonyl) 
phenyl]diazenyl]naphthalene- 
2,7-disulfonate (CAS No. 
17095–24–8); Reactive Scar-
let F01–0439 (2- 
naphthalenesulfonic acid, 7- 
amino-4-hydroxy-, coupled 
with diazotized 2-[(4- 
aminophenyl) sulfonyl] ethyl 
hydrogen sulfate and 
diazotized 2-amino-5-[[2- 
(sulfooxy)ethyl]sulfonyl] 
benzenesulfonic acid, potas-
sium sodium salts) (CAS No. 
214362–06–8); reaction mass 
of 7-amino-3,8-bis-[4-(2- 
sulfoxyethylsulfonyl)-2- 
sulfophenylazo]-4- 
hydroxynaphthalene-2-sul-
fonic acid, Na/K salt and 7- 
amino-3-[4-(2- 
sulfoxyethylsulfonyl) 
phenylazo]-4-hydroxy-8-[4-(2- 
sulfoxyethylsulfonyl)-2- 
sulfophenylazo] naphthalene- 
2-sulfonic acid, Na/K salt 
and 7-amino-3,8-bis-[4-(2- 
sulfoxyethylsulfonyl) 
phenylazo]-4- 
hydroxynaphthalene-2-sul-
fonic acid, Na/K salt and 7- 
amino-8-[4-(2- 
sulfoxyethylsulfonyl)- 
phenylazo]-4-hydroxy-3-[4-(2- 
sulfoxyethylsulfonyl)-2- 
sulfophenylazo] naphthalene- 
2-sulfonic acid, Na/K salt, 
and Reactive Orange 131 
(benzenesulfonic acid, 2,4- 
diamino-3-[2-[4-[[2-(sulfooxy) 
ethyl]sulfonyl] 
phenyl]diazenyl]-5-[2-[2- 
sulfo-4-[[2-(sulfooxy) 
ethyl]sulfonyl] phenyl] 
diazenyl]-, potassium sodium 
salt (1:?:?)) (CAS No. 
187026–95–5) and 
dipotassium disodium 2,4- 
diamino-5-(2-{2-sulfo-4-[2- 
(sulfooxy)ethanesulfonyl] 
phenyl}diazen-1-yl)-3-(2-{4- 
[2-(sulfooxy)ethanesulfonyl] 
phenyl}diazen-1-yl) benzene- 
1-sulfonate (provided for in 
subheading 3204.16.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21401. REACTIVE YELLOW F98–0159. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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149 
‘‘ 
9902.23.10 
Reactive Yellow F98–0159 
(benzenesulfonic acid, 2-[2- 
[2-[(aminocarbonyl)amino]-4- 
[(2,6-difluoro-4- 
pyrimidiny-
l)amino]phenyl]diazenyl]-5- 
[[2-(sulfooxy)ethyl]sulfonyl]-, 
sodium salt (1:2)) (CAS No. 
176449–21–1) (provided for 
in subheading 3204.16.30) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21402. DYE MIXTURES OF REACTIVE ORANGE 131 AND 
REACTIVE SCARLET F07–0522. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.11 
Disperse dye mixtures of Re-
active Orange 131 (CAS No. 
187026–95–5) (dipotassium 
disodium 2,4-diamino-5-(2- 
{2-sulfo-4-[2- 
(sulfooxy)ethanesulfonyl] 
phenyl}diazen-1-yl)-3-(2-{4- 
[2-(sulfooxy)ethanesulfonyl] 
phenyl}diazen-1-yl)benzene-1- 
sulfonate) and Reactive Scar-
let F07–0522 (CAS No. 
891857–92–4) (pentasodium 
7-amino-4-hydroxy-3,8-bis-[2- 
sulfo-4-(2-sulfooxy- 
ethanesulfonyl)-phenylazo]- 
naphthalene-2-sulfonate) 
(provided for in subheading 
3204.16.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21403. REACTIVE BLACK 31. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.12 
Reactive Black 31 
(cuprate(4-), [4,5-dihydro-4- 
[2-[8-(hydroxy-.kappa.O)-7- 
[2-[2-(hydroxy-.kappa.O)-5- 
methoxy-4-[[2- 
(sulfooxy)ethyl] 
sulfonyl]phenyl]diazenyl- 
.kappa.N1]-6-sulfo-2- 
naphthalenyl]diazenyl]-5-oxo- 
1-(4-sulfophenyl)-1H-pyr-
azole-3-carboxylato(6-)]-, so-
dium) (CAS No. 85585–91– 
7) (provided for in sub-
heading 3204.16.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21404. REACTIVE RED 120. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.13 
Reactive Red 120 
(hexasodium 5-[[4-chloro-6- 
[4-[[4-chloro-6-[[8-hydroxy- 
3,6-disulfonato-7-[(2- 
sulfonatopheny-
l)diazenyl]naphthalen-1- 
yl]amino]-1,3,5-triazin-2- 
yl]amino]anilino]-1,3,5- 
triazin-2-yl]amino]-4-hy-
droxy-3-[(2- 
sulfonatopheny-
l)diazenyl]naphthalene-2,7- 
disulfonate) (CAS No. 
68214–04–0) (provided for in 
subheading 3204.16.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21405. REACTIVE BLUE 5. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.14 
Reactive Blue 5 (1-Amino-4- 
{[3-({4-chloro-6-[(3- 
sulfophenyl)amino]-1,3,5- 
triazin-2-yl}amino)-4- 
sulfophenyl]amino}-9,10- 
dioxo-9,10-dihydro-2- 
anthracenesulfonic acid) 
(CAS No. 16823–51–1) (pro-
vided for in subheading 
3204.16.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21406. REACTIVE ORANGE 13. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.15 
Reactive Orange 13 powder 
(trisodium 2-[[6-[(4-amino-6- 
chloro-1,3,5-triazin-2-yl)- 
methylamino]-1-hydroxy-3- 
sulfonatonaphthalen-2- 
yl]diazenyl]naphthalene-1,5- 
disulfonate) (CAS No. 
70616–89–6) (provided for in 
subheading 3204.16.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21407. REACTIVE ORANGE 12. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.16 
Reactive Orange 12 powder 
(trisodium 7-[[4-[(4-amino-6- 
chloro-1,3,5-triazin-2- 
yl)amino]-2- 
(carbamoylamino) 
phenyl]diazenyl]naphthalene- 
1,3,6-trisulfonate) (CAS No. 
70161–14–7) (provided for in 
subheading 3204.16.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21408. PIGMENT RED 177. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.17 
Pigment Red 177 (1-amino- 
4-(4-amino-9,10- 
dioxoanthracen-1- 
yl)anthracene-9,10-dione) 
(CAS No. 4051–63–2) (pro-
vided for in subheading 
3204.17.04) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21409. PIGMENT YELLOW 110. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.18 
Pigment Yellow 110 (4,5,6,7- 
tetrachloro-3-[4-[(4,5,6,7-tet-
rachloro-3-oxoisoindol-1- 
yliden-
e)amino]phenyl]iminoisoindol- 
1-one) (CAS No. 5590–18–1) 
(provided for in subheading 
3204.17.04) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21410. PIGMENT YELLOW 147. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.19 
Pigment Yellow 147 (1-[[4- 
[(9,10-dioxoanthracen-1- 
yl)amino]-6-phenyl-1,3,5- 
triazin-2- 
yl]amino]anthracene-9,10- 
dione) (CAS No. 4118–16–5) 
(provided for in subheading 
3204.17.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21411. PIGMENT ORANGE 64. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.20 
Pigment Orange 64 (5-[(6- 
methyl-2-oxo-1,3- 
dihydrobenzimidazol-5- 
yl)diazenyl]-1,3-diazinane- 
2,4,6-trione) (CAS No. 
72102–84–2) (provided for in 
subheading 3204.17.60) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21412. PIGMENT BLUE 29. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.21 
Pigment Blue 29 (aluminum 
sodium orthosilicate 
trisulfane-1,3-diide (6:8:6:1)) 
(CAS No. 57455–37–5) (pro-
vided for in subheading 
3204.17.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21413. PIGMENT VIOLET 15. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.22 
Pigment Violet 15 
(hexaaluminum;hexasodium; 
tetrathietane;hexasilicate) 
(CAS No. 12769–96–9) (pro-
vided for in subheading 
3204.17.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21414. PIGMENT BLUE 14. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.23 
Pigment Blue 14 
(ethanaminium, N-(4-(bis(4- 
(diethylamin-
o)phenyl)methylene)-2,5- 
cyclohexadien-1-ylidene)-N- 
ethyl-, 
molybdatetungstatephosphat-
e) (CAS No. 1325–88–8) 
(provided for in subheading 
3204.17.90) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21415. SOLVENT BLUE 97. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.24 
Solvent Blue 97 (1,4-Bis(2,6- 
diethyl-4- 
methylanilino)anthracene- 
9,10-dione) (CAS Nos. 
61969–44–6 and 32724–62– 
2) (provided for in sub-
heading 3204.19.11) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21416. SOLVENT GREEN 5. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.25 
Solvent Green 5 (bis(2- 
methylpropyl) perylene-3,9- 
dicarboxylate) (CAS No. 
2744–50–5) (provided for in 
subheading 3204.19.11) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21417. SOLVENT YELLOW 98. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.26 
Solvent Yellow 98 (14-octa-
decyl-8-thia-14-azapentacyclo 
[10.6.2.0¥2,7.0¥9, 
19.0¥16,20] icosa- 
1(19),2,4,6,9,11,16(20),17- 
octaene-13,15-dione) (CAS 
No. 12671–74–8) (provided 
for in subheading 
3204.19.11) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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154 
SEC. 21418. SOLVENT GREEN 7. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.27 
Solvent Green 7 (trisodium 8- 
hydroxypyrene-1,3,6- 
trisulfonate) (CAS No. 6358– 
69–6) (provided for in sub-
heading 3204.19.11) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21419. SOLVENT RED 195. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.28 
Solvent Red 195 (methyl 4- 
cyano-5-[[5-cyano-2,6-bis(3- 
methoxypropylamino)-4- 
methylpyridin-3-yl]diazenyl]- 
3-methylthiophene-2- 
carboxylate) (CAS No. 
72968–71–9) (provided for in 
subheading 3204.19.20) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21420. SOLVENT ORANGE 115. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.29 
Solvent Orange 115 (7H- 
Benzimidazo[2,1-a] 
benzo[3,4][2]benzothiopyrano 
[7,8,1-def]isoquinolin-7-one) 
(CAS No. 53304–32–8) (pro-
vided for in subheading 
3204.19.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21421. SPECIALTY DYES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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155 
‘‘ 
9902.23.30 
White/bluish powder dye con-
taining benzenesulfonamide, 
2,2′-([1,1′-biphenyl]-4,4′- 
diyldi-2,1-ethenediyl)bis[N-(3- 
hydroxypropyl)-, polymer 
with formaldehyde, ar- 
methylbenzenesulfonamide 
and 1,3,5-triazine-2,4,6-tri-
amine (CAS No. 1191239– 
40–3) (provided for in sub-
heading 3204.19.20) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21422. SOLVENT GREEN 3. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.31 
Solvent Green 3 (1,4-bis(4- 
methylanilino)anthracene- 
9,10-dione) (CAS No. 128– 
80–3) (CIN 61565) (provided 
for in subheading 
3204.19.25) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21423. SOLVENT BLUE 36. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.33 
Solvent Blue 36 (1,4- 
bis(propan-2- 
ylamino)anthracene-9,10- 
dione) (CAS No. 14233–37– 
5) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21424. MIXTURES OF SOLVENT GREEN 3. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.34 
Mixtures of Solvent Green 3 
(1,4-bis(4- 
methylanilino)anthracene- 
9,10-dione) (CAS No. 128– 
80–3) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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156 
SEC. 21425. SOLVENT RED 52. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.35 
Solvent Red 52 (3-methyl-6- 
[(4-methylphenyl)amino]-3H- 
naphtho[1,2,3-de]quinoline- 
2,7-dione) (CAS No. 81–39– 
0) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21426. SOLVENT RED 149. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.36 
Solvent Red 149 (6- 
(cyclohexylamino)-3-methyl- 
3H-naphtho[1,2,3- 
de]quinoline-2,7-dione) (CAS 
No. 21295–57–8 or 71902– 
8–6) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21427. SOLVENT RED 207. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.37 
Solvent Red 207 (1,5- 
bis(cyclohexylamino) anthra-
cene-9,10-dione) (CAS No. 
15958–68–6) (provided for in 
subheading 3204.19.25) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21428. SOLVENT VIOLET 14. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.38 
Solvent Violet 14 (1,5-bis(4- 
methylanilino)anthracene- 
9,10-dione) (CAS No. 8005– 
40–1) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21429. SOLVENT YELLOW 179. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.39 
Solvent Yellow 179 (2-[[4-[2- 
(4-cyclohexylphenoxy) ethyl- 
ethylamino]-2- 
methylphenyl]methylidene] 
propanedinitrile) (CAS No. 
54079–53–7) (provided for in 
subheading 3204.19.25) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21430. SOLVENT YELLOW 131. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.40 
Solvent Yellow 131 (2-(3- 
hydroxypropyl)-6-(3- 
hydroxypropylamin-
o)benzo[de]isoquinoline-1,3- 
dione) (CAS No. 52821–24– 
6) (provided for in sub-
heading 3204.19.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21431. HOGEN BLUE XB-20. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.41 
Synthetic organic coloring 
matter containing copper(II) 
phthalocyanine (CAS No. 
147–14–8) (provided for in 
subheading 3204.19.40) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21432. SOLVENT YELLOW 104. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.42 
Solvent Yellow 104 (CAS No. 
143476–34–0) (provided for 
in subheading 3204.19.40) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 
21433. 
COMBINATION 
OF 
FLUORESCENT 
BRIGHTENERS 367 AND 371. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.43 
Mixture of Fluorescent 
Brightener 367 (CAS No. 
5089–22–5) and Fluorescent 
Brightener 371 (provided for 
in subheading 3204.20.80) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21434. FLUORESCENT BRIGHTENER CBS-X. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.44 
Disodium 2,2′-[biphenyl-4,4′- 
diyldiethene-2,1- 
diyl]dibenzenesulfonate (CAS 
No. 27344–41–8) of a kind 
used as a fluorescent bright-
ening agent (provided for in 
subheading 3204.20.80) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21435. OPTICAL BRIGHTENER SWN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.45 
7-(Diethylamino)-4- 
methylchromen-2-one (CAS 
No. 91–44–1) (provided for 
in subheading 3204.20.80) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21436. C.I. FLUORESCENT BRIGHTENER 199:1. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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159 
‘‘ 
9902.23.46 
Mixtures of 1-(2-cyanostyryl)- 
4-(4-cyanostyryl)benzene 
(CAS No. 13001–38–2); 2,2′- 
oxydi(ethan-1-ol) (CAS No. 
111–46–6); acetic acid eth-
enyl ester, polymer with 
ethenol (CAS No. 25213-24- 
5); methyl 4-[2-[4-(5-methyl- 
2- 
benzoxazoly-
l)phenyl]vinyl]benzoate (CAS 
No. 18039–18–4); and form-
aldehyde, polymer with 
oxirane and phenol, methyl 
ether (CAS No. 68988–31–8) 
of a kind used as fluorescent 
brightening agents (provided 
for in subheading 
3204.20.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21437. FLUORESCENT BRIGHTENER 368. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.47 
Mixtures of 2-[4-[(E)-2-[4- 
(1,3-benzoxazol-2- 
yl)phenyl]ethenyl]phenyl]-1,3- 
benzoxazole (CAS No. 1533– 
45–5); 5-methyl-2-[4-[(E)-2- 
[4-(5-methyl-1,3-benzoxazol- 
2-yl)phenyl]ethenyl]phenyl]- 
1,3-benzoxazole (CAS No. 
2397–00–4) and 2-[4-[(E)-2- 
[4-(1,3-benzoxazol-2- 
yl)phenyl]ethenyl]phenyl]-5- 
methyl-1,3-benzoxazole (CAS 
No. 5242–49–9) (provided 
for in subheading 
3204.20.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21438. 1,4-BIS(2-CYANOSTYRYL)BENZENE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.48 
2-[(E)-2-[4-[(E)-2-(2- 
Cyanophenyl)ethenyl] 
phenyl]ethenyl]benzonitrile 
(CAS No. 13001–39–3) (pro-
vided for in subheading 
3204.20.80) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21439. CERTAIN MANUFACTURING INPUTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.49 
1-[3-(Dimethylamino)propyl]- 
4-methyl-6-oxo-3-pyridin-1- 
ium-1-ylpyridin-2-olate (CAS 
No. 104583–33–7) (provided 
for in subheading 
3204.90.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21440. CERIUM SULFIDE PIGMENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.50 
Pigment preparations based 
on cerium sulfide or mixtures 
of cerium sulfide and lan-
thanum sulfide (CAS Nos. 
12014–93–6 and 12031–49– 
1) (provided for in sub-
heading 3206.49.60) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21441. MATTE PEARLESCENT PIGMENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.51 
Coloring matter of mica 
(CAS No. 12001–26–2) and 
titanium dioxide (CAS No. 
13463–67–7), coated with 
submicron poly(methyl meth-
acrylate) (CAS No. 9011–14– 
7) spheres to create a matte 
optical effect (provided for in 
subheading 3206.49.60) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21442. ANGLE-DEPENDENT INTERFERENCE PIGMENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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161 
‘‘ 
9902.23.52 
Angle-dependent interference 
pigments based on a sub-
strate of transparent or 
translucent inorganic flakes 
of fluorophlogopite (CAS No. 
12003–38–2), titanium diox-
ide (CAS No. 13463–67–7), 
and synthetic amorphous sili-
ca (CAS No. 112945–52–5) 
(provided for in subheading 
3206.49.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21443. INORGANIC LUMILUX. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.53 
Inorganic products of a kind 
used as luminophores con-
taining zinc sulfide (ZnS), 
copper chloride-doped (CAS 
No. 68611–70–1), 
dizinc;silicate (CAS No. 
68611–47–2), yttrium oxide 
sulfide (Y2O2S), europium- 
doped (CAS No. 68784–83– 
8), erbium sodium ytterbium 
fluoride 
(Er0.04NaYb0.96F4) (CAS 
No. 753489–08–6), diyttrium 
dioxide sulfide (CAS No. 
12340–04–4), oxygen(2- 
);yttrium(3+) (CAS No. 
1314–36–9), (CAS No. 
1314–37–9) and erbium(III) 
oxide (CAS No. 12061–16–4) 
(provided for in subheading 
3206.50.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21444. RIBBON/MATRIX RESIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.54 
Optical fiber ribbon cable ma-
trix resin, a polymer in the 
form of a liquid coating, with 
a density of approximately 
1.12 kg/liter, viscosity of 
3000 to 5000 cps at 25 °C, 
with elongation greater than 
20 percent and tensile 
strength of 22 to 32 MPa 
(provided for in subheading 
3208.20.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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162 
SEC. 21445. BONDING AGENT 2005. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.55 
Solution as defined in note 4 
to chapter 32, mixture of 
poly(tolylene 2,4- 
diisocyanate) (CAS No. 
26006–20–2); 2,4- 
diisocyanato-1-methylbenzene 
(CAS No. 584–84–9) and 
butyl acetate (CAS No. 123– 
86–4) (provided for in sub-
heading 3208.90.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21446. FLUOROPOLYMER RESIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.56 
Solution of high molecular 
weight fluoroethylene-alkyl 
vinylether (FEVE) alter-
native copolymer, containing 
38 to 42 percent by weight of 
moderate OH number resin 
in a blend of cyclohexanone 
and aromatic hydrocarbon 
solvent, having a Tg of 20 °C 
(CAS No. 207691–69–8) 
(provided for in subheading 
3208.90.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21447. ZIRCONIUM 12 PAINT DRIER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.57 
Zirconium 12 paint drier, 
mixtures of naptha, petro-
leum, hydrotreated heavy 
(CAS No. 64742–48–9), zir-
conium 2-ethylhexanoate 
(CAS No. 22464–99–9), no-
nane (CAS No. 111–84–2), 
zirconium, bis(acetate-o)oxo- 
(CAS No. 5153–24–2) (pro-
vided for in heading 
3211.00.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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163 
SEC. 21448. ZIRCONIUM 24 PAINT DRIER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.58 
Zirconium 24 paint drier, 
mixtures of naptha, petro-
leum, hydrotreated heavy 
(CAS No. 64742–48–9), zir-
conium 2-ethylhexanoate 
(CAS No. 22464–99–9), no-
nane (CAS No. 111–84–2), 
zirconium, bis(acetate-o)oxo- 
(CAS No. 5153–24–2) (pro-
vided for in heading 
3211.00.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21449. DRIER ACCELERATORS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.59 
Prepared drier accelerators 
containing a mixture of 
cyclopentanone (CAS No. 
120–92–3), cyclohexanone 
(CAS No. 108–94–1), and 2- 
pyridin-2-ylpyridine (CAS 
No. 366–18–7) (provided for 
in heading 3211.00.00)) .......
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21450. LEMON OIL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.60 
Essential oils of lemon (CAS 
No. 8008–56–8) (provided 
for in subheading 
3301.13.00) ...........................
3.3% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21451. SULFONIC ACIDS, C14–17-SEC-ALKANE, SODIUM 
SALT. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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164 
‘‘ 
9902.23.61 
Sulfonic acids, C14–17-sec- 
alkane, sodium salt (CAS No. 
97489–15–1) anionic aro-
matic surface-active agent 
(provided for in subheading 
3402.11.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21452. POTASSIUM ETHYL OCTYLPHOSPHONATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.62 
Potassium; 
ethoxy(octyl)phosphinate 
(CAS No. 68134–28–1) (pro-
vided for in subheading 
3402.11.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21453. INTERMEDIATE IN THE PRODUCTION OF INDUS-
TRIAL LUBRICANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.63 
(Z)-N-Methyl-N-(1-oxo-9- 
octadecenyl)glycine (N- 
oleylsarcosine) (CAS No. 
110–25–8) surfactant (pro-
vided for in subheading 
3402.11.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21454. POLYETHER DISPERSANT. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.64 
Oxirane, 2-methyl-, polymer 
with oxirane, 
mono[(diethylamino)alkyl] 
ether surfactant (CAS No. 
68511–96–6) (provided for in 
subheading 3402.12.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21455. D-GLUCOPYRANOSE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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165 
‘‘ 
9902.23.65 
(3R,4S,5S,6R)-2-decoxy-6- 
(hydroxymethyl)oxane-3,4,5- 
triol (CAS No. 68515–73–1) 
(provided for in subheading 
3402.13.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21456. 2-DODECOXY-6-(HYDROXYMETHYL)OXANE-3,4,5- 
TRIOL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.66 
(3R,4S,5S,6R)-2-Dodecoxy-6- 
(hydroxymethyl)oxane-3,4,5- 
triol (CAS No. 110615–47– 
9) (provided for in sub-
heading 3402.13.20) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21457. MIXTURES OF CERTAIN C12–14-ALKYL ETHERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.67 
Mixtures of poly(oxy-1,2- 
ethanediyl), α-phosphono-ω- 
hydroxy-, C12-14-alkyl ethers 
(CAS No. 121158–63–2); 
poly(oxy-1,2-ethanediyl), 
α,α′-phosphinicobis[ω-hy-
droxy-, di-C12-14-alkyl ethers 
(CAS No. 121158–61–0); 
poly(oxy-1,2-ethanediyl), 
α,α′,α″- 
phosphinylidynetris[ω-hy-
droxy-, tri-C12-14-alkyl 
ethers (CAS No. 121158–62– 
1); alcohols C12–14, 
ethoxylated (CAS No. 
68439–50–9) (provided for in 
subheading 3402.13.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21458. MANUFACTURING CHEMICAL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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166 
‘‘ 
9902.23.68 
Mixtures of fatty acids, coco, 
ethoxylated (CAS No. 
61791–29–5) and butan-1- 
ol;ethane-1,2-diol;propane- 
1,2-diol (CAS No. 9038–95– 
3) surfactant (provided for in 
subheading 3402.13.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21459. NONIONIC SURFACTANT. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.69 
D-Glucopyranose, oligomeric, 
C10–16-alkyl glycosides (CAS 
No. 110615–47–9); water 
(CAS No. 7732–18–5); and 
D-glucopyranose, oligomeric, 
2-ethylhexyl glycosides (CAS 
No. 161074–93–7) (provided 
for in subheading 
3402.13.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21460. CHEMICAL USED IN TEXTILE MANUFACTURING. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.70 
Mixtures of sodium [1- 
carboxy-17-(dibutylamino)- 
17-oxoheptadecan-8-yl] sul-
fate (CAS No. 62093–93–0); 
sodium;18-hydroxy-18- 
oxooctadecane-1-sulfonate 
(CAS No. 67998–94–1); so-
dium (Z)-octadec-9-enoate 
(CAS No. 143–19–1); and 
(Z)-N,N-dibutyloctadec-9- 
enamide (CAS No. 5831–80– 
1) (provided for in sub-
heading 3402.90.10) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21461. ETHOXYLATED TRISTYRYLPHENOL PHOSPHATE 
POTASSIUM SALT. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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167 
‘‘ 
9902.23.71 
Mixtures of propane-1,2-diol 
(CAS No. 57–55–6), 
poly(oxy-1,2-ethanediyl), α- 
(tris(1-phenylethyl)phenyl)-ω- 
hydroxy- (CAS No. 99734– 
09–5), and poly(oxy-1,2- 
ethanediyl), α-(2,4,6-tris(1- 
phenylethyl)phenyl)-ω-hy-
droxy-, phosphate, potassium 
salt (CAS No. 163436–84–8) 
(provided for in subheading 
3402.90.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21462. SODIUM POLYCARBOXYLATE, AQUEOUS SOLU-
TION. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.72 
Mixtures of 2,5-furandione, 
polymer with 2,4,4- 
trimethylpentene, sodium salt 
(sodium;oxolane-2,5- 
dione;2,4,4-trimethylpent-1- 
ene) (CAS No. 37199–81–8), 
and poly(oxy-1,2-ethanediyl), 
α-(carboxymethyl)-ω- 
(tridecyloxy)-, branched, so-
dium salt (CAS No. 68891– 
17–8) (provided for in sub-
heading 3402.90.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21463. AQUEOUS EMULSION OF A MIXTURE OF AMINE 
SOAPS AND MISCELLANEOUS OTHER ADDI-
TIVES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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168 
‘‘ 
9902.23.73 
Mixtures of propane-1,2,3- 
triol (glycerol) (CAS No. 56– 
81–5); 2-octadec-9- 
enoxyethanol phosphoric acid 
(CAS No. 39464–69–2); tall 
oil fatty acid (CAS No. 
61790–12–3); 2,3-bis[[(Z)- 
12-hydroxyoctadec-9- 
enoyl]oxy]propyl (Z)-12- 
hydroxyoctadec-9-enoate (cas-
tor oil) (CAS No. 8001–79– 
4); alcohols C16-18,18 un-
saturated, ethoxylated (CAS 
No. 68920–66–1); 2-(2- 
hydroxyethylamino)ethanol 
(Diethanolamine) (CAS No. 
111–42–2); distillates (petro-
leum), hydrotreated light 
naphthenic (CAS No. 64742– 
53–6); phosphoric acid (CAS 
No. 7664–38–2); ethane-1,2- 
diamine (CAS No. 107–15– 
3); and 2H-benzotriazole 
(CAS No. 95–14–7) (pro-
vided for in subheading 
3403.19.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21464. AQUEOUS DISPERSION OF A MIXTURE OF 
FATTY AMINE AND AMIDE SOAPS AND MIS-
CELLANEOUS OTHER ADDITIVES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.74 
Mixtures of 
(2E,4E,6E,8E,10E,12E)- 
pentadeca-2,4,6,8,10,12,14- 
heptaenoic acid (Fatty acids, 
C14-18 and C16-18-unsatu-
rated) (CAS No. 67701–06– 
8); 2-octadec-9- 
enoxyethanol;phosphoric acid 
(CAS No. 39464–69–2); dis-
tillates, petroleum, solvent- 
dewaxed heavy paraffinic 
(CAS No. 64742–65–0); alco-
hols C16-18,18 unsaturated, 
ethoxylated (CAS No. 
68920–66–1); 2-(2- 
hydroxyethylamino)ethanol 
(Diethanolamine) (CAS No. 
111–42–2); ethane-1,2- 
diamine (CAS No. 107–15– 
3); phosphoric acid (CAS No. 
7664–38–2), amines, tallow 
alkyl, ethoxylated (CAS No. 
61791–26–2); and 2H- 
benzotriazole (CAS No. 95– 
14–7) (provided for in sub-
heading 3403.19.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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169 
SEC. 21465. AQUEOUS DISPERSION OF A MIXTURE OF 
FATTY AMINE AND AMIDE SOAPS AND MIS-
CELLANEOUS OTHER ADDITIVES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.75 
Mixtures of N-[2- 
(octadecanoylamin-
o)ethyl]octadecanamide (CAS 
No. 110–30–5); 2-(2- 
hydroxyethylamino)ethanol 
(CAS No. 111–42–2); phos-
phoric acid (CAS No. 7664– 
38–2); amines, tallow alkyl, 
ethoxylated (CAS No. 
61791–26–2); fatty acids, 
C14-18 and C16-18-unsatu-
rated (CAS No. 67701–06– 
8); and nonylphenol, 
branched, ethoxylated, 
phosphated (CAS No. 
68412–53–3) (provided for in 
subheading 3403.99.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21466. PHOTOGRAPHIC GELATIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.76 
Photographic gelatin (CAS 
No. 9000–70–8) (provided 
for in subheading 
3503.00.55) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21467. ICE FOUNTAINS (CLASS 1.4G). 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.77 
Ice fountains (Class 1.4G) 
(CAS No. 9904–70–0) gener-
ating a jet of sparklers when 
lit (provided for in sub-
heading 3604.10.90) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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170 
SEC. 21468. MAGIC CANDLES CONTAINING MAGNESIUM 
POWDER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.78 
Magic candles containing 
magnesium powder (CAS No. 
7439–95–4) that automati-
cally relight themselves when 
blown out and emit spark ef-
fects when lit (provided for in 
subheading 3604.90.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21469. PARTY SNAPPERS (CLASS 1.4G). 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.79 
Snaps designed to make a 
loud noise when thrown to 
the ground (CAS No. 7761– 
88–8) (provided for in sub-
heading 3604.90.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21470. FENPYROXIMATE 5SC. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.80 
Mixtures of tert-butyl 4- 
[[(E)-(1,3-dimethyl-5- 
phenoxypyrazol-4-yl) 
methylideneamino] 
oxymethyl]benzoate 
(Fenpyroximate) (CAS No. 
134098–61–6) and applica-
tion adjuvants (provided for 
in subheading 3808.91.25) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21471. PYRIFLUQUINAZON 20SC. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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171 
‘‘ 
9902.23.81 
Mixtures of 1-acetyl-6- 
(1,1,1,2,3,3,3- 
heptafluoropropan-2-yl)-3- 
(pyridin-3-ylmethylamino)- 
4H-quinazolin-2-one 
(Pyrifluquinazon) (CAS No. 
337458–27–2) and applica-
tion adjuvants (provided for 
in subheading 3808.91.25) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21472. IMIDACLOPRID AND MUSCALURE FORMULA-
TIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.82 
Product mixtures containing 
(NE)-N-[1-[(6-chloropyridin- 
3-yl)methyl]imidazolidin-2- 
ylidene]nitramide 
(Imidacloprid) (CAS No. 
138261–41–3) and (Z)-tricos- 
9-ene (Muscalure) (CAS No. 
27519–02–4) (provided for in 
subheading 3808.91.25) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21473. 
FORMULATIONS 
OF 
ACEPHATE 
AND 
BIFENTHRIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.83 
Formulations of N- 
[methoxy(methylsulfanyl) 
phosphoryl]acetamide 
(Acephate) (CAS No. 30560– 
19–1) and (2-methyl-3- 
phenylphenyl)methyl 
(1R,3R)-3-[(Z)-2-chloro- 
3,3,3-trifluoroprop-1-enyl]- 
2,2-dimethylcyclopropane-1- 
carboxylate (Bifenthrin) 
(CAS No. 82657–04–3) (pro-
vided for in subheading 
3808.91.25) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21474. FIPRONIL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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172 
‘‘ 
9902.23.84 
(RS)-5-Amino-1-[2,6- 
dichloro-4-(trifluoromethyl) 
phenyl]-4- 
(trifluoromethysulfinyl)-1H- 
pyrazole-3-carbonitrile 
(Fipronil) (CAS No. 120068– 
37–3) (provided for in sub-
heading 3808.91.25) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21475. ALUMINUM PHOSPHIDE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.85 
(Formulated aluminium 
phosphide 
(alumanylidynephosphane) 
(CAS No. 20859–73–8) (pro-
vided for in subheading 
3808.91.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21476. MAGNAPHOS FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.86 
Formulations of magnesium 
phosphide (trimagnesi-
um;phosphorus(3-)) 
(Magnaphos) (CAS No. 
12057–74–8) (provided for in 
subheading 3808.91.30) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21477. FORMULATED OXAMYL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.87 
Mixtures of methyl (1Z)-2- 
(dimethylamino)-N- 
(methylcarbamoyloxy)-2- 
oxoethanimidothioate 
(Oxamyl) (CAS No. 23135– 
22–0) and application adju-
vants (provided for in sub-
heading 3808.91.50) .............
0.2% 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21478. FORMULATED FUNGICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.88 
Mixtures of 2- 
(trichloromethylsulfanyl)- 
3a,4,7,7a-tetrahydroisoindole- 
1,3-dione (Captan) (CAS No. 
133–06–2) and application 
adjuvants (provided for in 
subheading 3808.92.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21479. CERTAIN FUNGICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.89 
Mixtures of (2Z)-2-[2-fluoro- 
5- 
(trifluoromethy-
l)phenyl]sulfanyl-2-[3-(2- 
methoxyphenyl)-1,3- 
thiazolidin-2- 
ylidene]acetonitrile (CAS No. 
958647–10–4); 1- 
methylpyrrolidin-2-one (CAS 
No. 872–50–4) and 
polyoxyalkylene polystyryl 
phenyl ether (CAS No. 
99734–09–5) (provided for in 
subheading 3808.92.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21480. 
PROTHIOCONAZOLE, 
FLUOPYRAM, 
AND 
TRIFLOXYSTROBIN FUNGICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.90 
Product mixtures containing 
2-[2-(1-chlorocyclopropyl)-3- 
(2-chlorophenyl)-2- 
hydroxypropyl]-1H-1,2,4-tri-
azole-3-thione 
(Prothioconazole) (CAS No. 
178928–70–6), N-[2-[3- 
chloro-5-(trifluoromethyl) 
pyridin-2-yl]ethyl]-2- 
(trifluoromethyl)benzamide 
(Fluopyram) (CAS No. 
658066–35–4) and (2E)-2- 
methoxyimino-2-[2-[[(E)-1- 
[3-(trifluoromethyl)phenyl] 
ethylideneamino]oxymethyl] 
phenyl]acetate 
(Trifloxystrobin) (CAS No. 
141517–21–7) (provided for 
in subheading 3808.92.15) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21481. 
PROTHIOCONAZOLE, 
METALAXYL, 
AND 
TEBUCONAZOLE FUNGICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.91 
Product mixtures containing 
2-[(2RS)-2-(1- 
chlorocyclopropyl)-3-(2- 
chlorophenyl)-2- 
hydroxypropyl]-2H-1,2,4-tri-
azole-3(4H)-thione 
(Prothioconazole) (CAS No. 
178928–70–6), methyl N-(2- 
methoxyacetyl)-N-(2,6-xylyl)- 
DL-alaninate (Metalaxyl) 
(CAS No. 57837–19–1) and 
(RS)-1-p-chlorophenyl-4,4-di-
methyl-3-(1H-1,2,4-triazol-1- 
ylmethyl) pentan-3-ol 
(Tebuconazole) (CAS No. 
107534–96–3) (provided for 
in subheading 3808.92.15) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21482. MANCOZEB AND CHLOROTHALONIL FORMULA-
TIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.23.92 
Formulations of 
zinc;manganese(2+);N-[2- 
(sulfidocarbothioylamin-
o)ethyl]carbamodithioate 
(Mancozeb) (CAS No. 8018– 
01–7) and 2,4,5,6- 
tetrachlorobenzene-1,3- 
dicarbonitrile (Chlorothalonil) 
(CAS No. 1897–45–6) (pro-
vided for in subheading 
3808.92.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21483. MIXTURES OF PICARBUTROX AND APPLICATION 
ADJUVANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.93 
Mixtures of tert-butyl N-[6- 
[[(Z)-[(1-methyltetrazol-5-yl)- 
phenylmethyliden-
e]amino]oxymethyl]pyridin-2- 
yl]carbamate (Picarbutrox) 
(CAS No. 500207–04–5) and 
application adjuvants (pro-
vided for in subheading 
3808.92.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21484. MIXTURES OF TETRACONAZOLE AND APPLICA-
TION ADJUVANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.94 
Mixtures of 1-[2-(2,4- 
dichlorophenyl)-3-(1,1,2,2- 
tetrafluoroethoxy)propyl]- 
1,2,4-triazole (Tetraconazole) 
(CAS No. 112281–77–3) and 
application adjuvants (pro-
vided for in subheading 
3808.92.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21485. MANCOZEB AND AZOXYSTROBIN FORMULA-
TIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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176 
‘‘ 
9902.23.95 
Formulations containing 
zinc;manganese(2+);N-[2- 
(sulfidocarbothioylamin-
o)ethyl]carbamodithioate 
(Mancozeb) (CAS No. 8018– 
01–7) and methyl (E)-2-[2- 
[6-(2- 
cyanophenoxy)pyrimidin-4- 
yl]oxyphenyl]-3-methoxyprop- 
2-enoate (Azoxystrobin) (CAS 
No. 131860–33–8) (provided 
for in subheading 
3808.92.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21486. 
MIXTURES 
OF 
CYMOXANIL 
AND 
FUMED 
DIOXOSILANE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.96 
Mixtures of (1E)-2- 
(ethylcarbamoylamino)-N- 
methoxy-2-oxoethanimidoyl 
cyanide (Cymoxanil) (CAS 
No. 57966–95–7), fumed 
dioxosilane (CAS No. 
112945–52–5), and applica-
tion adjuvants (provided for 
in subheading 3808.92.30) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21487. MICROTHIOL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.97 
Formulations of micronized 
sulfur (CAS No. 7704–34–9) 
(provided for in subheading 
3808.92.30) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21488. FORMULATIONS OF THIENCARBAZONE-METH-
YL, 
IODOSULFURON-METHYL-SODIUM, 
AND 
DICAMBA. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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177 
‘‘ 
9902.23.98 
Product mixtures containing 
methyl 4-[(3-methoxy-4-meth-
yl-5-oxo-1,2,4-triazole-1-car-
bonyl)sulfamoyl]-5- 
methylthiophene-3- 
carboxylate (Thiencarbazone- 
methyl) (CAS No. 317815– 
83–1); sodium;(5-iodo-2- 
methoxycarbonylpheny-
l)sulfonyl-[(4-methoxy-6- 
methyl-1,3,5-triazin-2- 
yl)carbamoyl]azanide 
(Iodosulfuron-methyl-sodium) 
(CAS No. 144550–36–7) and 
3,6-dichloro-2-methoxybenzoic 
acid (Dicamba) (CAS No. 
1918–00–9) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21489. 
THIENCARBAZONE-METHYL, 
ISOXADIFENETHYL, AND TEMBOTRIONE HER-
BICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.23.99 
Methyl 4-[(3-methoxy-4- 
methyl-5-oxo-1,2,4-triazole-1- 
carbonyl)sulfamoyl]-5- 
methylthiophene-3- 
carboxylate (Thiencarbazone- 
methyl) (CAS No. 317815– 
83–1), ethyl 5,5-diphenyl-4H- 
1,2-oxazole-3-carboxylate 
(Isoxadifen-ethyl) (CAS No. 
163520–33–0) and 2-[2- 
chloro-4-methylsulfonyl-3- 
(2,2,2- 
trifluoroethoxymethy-
l)benzoyl]cyclohexane-1,3- 
dione (Tembotrione) (CAS 
No. 335104–84–2) (provided 
for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21490. HERBICIDES USED ON GRASSES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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178 
‘‘ 
9902.24.01 
Product mixtures containing 
ethyl (2R)-2-[4-[(6-chloro- 
1,3-benzoxazol-2- 
yl)oxy]phenoxy]propanoate 
(Fenoxaprop-ethyl) (CAS No. 
71283–80–2) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21491. THIENCARBAZONE-METHYL, ISOXAFLUTOLE, 
AND CYPROSULFAMIDE HERBICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.02 
Product mixtures containing 
methyl 4-[(3-methoxy-4-meth-
yl-5-oxo-1,2,4-triazole-1-car-
bonyl)sulfamoyl]-5- 
methylthiophene-3- 
carboxylate (Thiencarbazone- 
methyl) (CAS No. 317815– 
83–1); (5-cyclopropyl-1,2- 
oxazol-4-yl)-[2- 
methylsulfonyl-4- 
(trifluoromethy-
l)phenyl]methanone 
(Isoxaflutole) (CAS No. 
141112–29–0) and N-[4- 
(cyclopropylcarbamoy-
l)phenyl]sulfonyl-2- 
methoxybenzamide 
(Cyprosulfamide) (CAS No. 
221667–31–8) (provided for 
in subheading 3808.93.15) ...
5% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21492. 
THIENCARBAZONE-METHYL 
AND 
IODOSULFURON-METHYLSODIUM 
HERBI-
CIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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179 
‘‘ 
9902.24.03 
Product mixtures containing 
methyl 4-[(3-methoxy-4-meth-
yl-5-oxo-1,2,4-triazole-1-car-
bonyl)sulfamoyl]-5- 
methylthiophene-3- 
carboxylate (Thiencarbazone- 
methyl) (CAS No. 317815– 
83–1) and sodium (5-iodo-2- 
methoxycarbonylpheny-
l)sulfonyl-[(4-methoxy-6- 
methyl-1,3,5-triazin-2- 
yl)carbamoyl]azanide 
(Iodosulfuron methylsodium) 
(CAS No. 144550–36–7) 
(provided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21493. THIENCARBAZONE-METHYL AND MEFENPYR- 
DIETHYL HERBICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.04 
Product mixtures containing 
methyl 4-[(3-methoxy-4-meth-
yl-5-oxo-1,2,4-triazole-1-car-
bonyl)sulfamoyl]-5- 
methylthiophene-3- 
carboxylate (Thiencarbazone- 
methyl) (CAS No. 317815– 
83–1) and diethyl 1-(2,4- 
dichlorophenyl)-5-methyl-4H- 
pyrazole-3,5-dicarboxylate 
(Mefenpyr-diethyl) (CAS No. 
135590–91–9) (provided for 
in subheading 3808.93.15) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21494. THIFENSULFURON-METHYL AND TRIBENURON- 
METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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180 
‘‘ 
9902.24.05 
Formulations of methyl 3- 
[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl) 
carbamoylsulfamoy-
l]thiophene-2-carboxylate 
(Thifensulfuron-methyl) 
(CAS No. 79277–27–3) and 
methyl 2-[[(4-methoxy-6- 
methyl-1,3,5-triazin-2-yl)- 
methylcarbamoy-
l]sulfamoyl]benzoate 
(Tribenuron-methyl) (CAS 
No. 101200–48–0) and appli-
cation adjuvants (provided 
for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21495. TRIBENURON-METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.06 
Formulations of methyl 2- 
[[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl)- 
methylcarbamoy-
l]sulfamoyl]benzoate 
(Tribenuron-methyl) (CAS 
No. 101200–48–0) and appli-
cation adjuvants (provided 
for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21496. CHLORSULFURON AND METSULFURON-METHYL 
FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.07 
Formulations of 1-(2- 
chlorophenyl)sulfonyl-3-(4- 
methoxy-6-methyl-1,3,5- 
triazin-2-yl)urea 
(Chlorsulfuron) (CAS No. 
64902–72–3), methyl 2-[(4- 
methoxy-6-methyl-1,3,5- 
triazin-2- 
yl)carbamoylsulfamoyl] ben-
zoate (Metsulfuron Methyl) 
(CAS No. 74223–64–6) and 
application adjuvants (pro-
vided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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181 
SEC. 21497. THIFENSULFURON-METHYL AND FLUROXYPYR 
FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.08 
Formulations of methyl 3- 
[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl) 
carbamoylsulfamoy-
l]thiophene-2-carboxylate 
(Thifensulfuron-methyl) 
(CAS No. 79277–27–3), 2- 
(4-amino-3,5-dichloro-6- 
fluoropyridin-2-yl)oxyacetic 
acid (Fluroxypyr) (CAS No. 
69377–81–7) and application 
adjuvants (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21498. ACIFLUROFEN FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.09 
Formulations of sodium;5-[2- 
chloro-4- 
(trifluoromethyl)phenoxy]-2- 
nitrobenzoate (Aciflurofen) 
(CAS No. 62476–59–9) (pro-
vided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21499. S-METOLACHLOR AND MESTRIONE HERBI-
CIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.10 
Formulations of 2-chloro-N- 
(2-ethyl-6-methylphenyl)-N- 
[(2S)-1-methoxypropan-2- 
yl]acetamide (S-Metolachlor) 
(CAS No. 87392–12–9) and 
4-amino-6-tert-butyl-3- 
methylsulfanyl-1,2,4-triazin- 
5-one (Mestrione) (CAS No. 
21087–64–9) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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182 
SEC. 21500. METRIBUZIN FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.11 
Formulations of 4-amino-6- 
tert-butyl-3-methylsulfanyl- 
1,2,4-triazin-5-one 
(Metribuzin) (CAS No. 
21087–64–9) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21501. PENDIMETHALINE AND METRIBUZINE FORMU-
LATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.12 
Formulations of 3,4-di-
methyl-2,6-dinitro-N-pentan- 
3-ylaniline (Pendimethaline) 
(CAS No. 40487–42–1) and 
4-amino-6-tert-butyl-3- 
methylsulfanyl-1,2,4-triazin- 
5-one (Metribuzine) (CAS 
No. 21087–64–9) (provided 
for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21502. FORMULATIONS OF S-METOLACHLOR AND 
METRIBUZIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.13 
Formulations of 2-chloro-N- 
(2-ethyl-6-methylphenyl)-N- 
[(2S)-1-methoxypropan-2- 
yl]acetamide (S-Metolachlor) 
(CAS No. 87392–12–9) and 
4-amino-6-tert-butyl-3- 
methylsulfanyl-1,2,4-triazin- 
5-one (Metribuzin) (CAS No. 
21087–64–9) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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183 
SEC. 21503. THIFENSULFURON-METHYL AND TRIBENURON- 
METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.14 
Formulations of methyl 2- 
[[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl)- 
methylcarbamoyl] sul-
famoyl]benzoate (Tribenuron- 
methyl) (CAS No. 101200– 
48–0) and 3-[(4-methoxy-6- 
methyl-1,3,5-triazin-2- 
yl)carbamoylsulfamoyl] 
thiophene-2-carboxylic acid 
(Thifensulfuron) (CAS No. 
79277–67–1) and application 
adjuvants (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21504. METSULFURON-METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.15 
Formulations of methyl 2- 
[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl) 
carbamoylsulfamoyl]benzoate 
(Metsulfuron-methyl) (CAS 
No. 74223–64–6) and appli-
cation adjuvants (provided 
for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21505. CHLORIMURON-ETHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.16 
Formulations of ethyl 2-[(4- 
chloro-6-methoxypyrimidin-2- 
yl)carbamoylsulfamoyl] ben-
zoate (Chlorimuron-ethyl) 
(CAS No. 90982–32–4) and 
application adjuvants (pro-
vided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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184 
SEC. 21506. MIXTURES OF BROMOXYNIL OCTANOATE AND 
BROMOXYNIL HEPTANOATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.17 
Mixtures of 2,6-dibromo-4- 
cyanophenyl octanoate 
(Bromoxynil octanoate) (CAS 
No. 1689–99–2) and 2,6- 
dibromo-4-cyanophenyl 
heptanoate (Bromoxynil 
heptanoate) (CAS No. 
56634–95–8) (provided for in 
subheading 3808.93.15) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21507. SULFOMETURON-METHYL AND METSULFURON- 
METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.18 
Formulations of methyl 2- 
[(4,6-dimethylpyrimidin-2- 
yl)carbamoylsulfamoyl] ben-
zoate (Sulfometuron-methyl) 
(CAS No. 74222–97–2) and 
methyl 2-[(4-methoxy-6-meth-
yl-1,3,5-triazin-2- 
yl)carbamoylsulfamoyl] ben-
zoate (Metsulfuron-methyl) 
(CAS No. 74223–64–6) and 
application adjuvants (pro-
vided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21508. 
CHLORIMURON-ETHYL 
AND 
TRIBENURON- 
METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.19 
Formulations of ethyl 2-[(4- 
chloro-6-methoxypyrimidin-2- 
yl)carbamoylsulfamoyl] ben-
zoate (Chlorimuron-ethyl) 
(CAS No. 90982–32–4) and 
methyl 2-[[(4-methoxy-6- 
methyl-1,3,5-triazin-2-yl)- 
methylcarbamoyl]sulfamoyl] 
benzoate (Tribenuron-methyl) 
(CAS No. 101200–48–0) and 
application adjuvants (pro-
vided for in subheading 
3808.93.15) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21509. FORMULATIONS CONTAINING TIAFENACIL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.20 
Formulations containing 
methyl 3-[2-[2-chloro-4- 
fluoro-5-[3-methyl-2,6-dioxo- 
4-(trifluoromethyl)pyrimidin- 
1-yl]phenyl] 
sulfanylpropanoylamin-
o]propanoate (Tiafenacil) 
(CAS No. 1220411–29–9) 
(provided for in subheading 
3808.93.15) ...........................
0.9% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21510. DIURON 80. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.21 
Formulated products con-
taining mixtures of 3-(3,4- 
dichlorophenyl)-1,1- 
dimethylurea (CAS No. 330– 
54–1) and application adju-
vants (provided for in sub-
heading 3808.93.15) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21511. FLAZASULFURON HERBICIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.22 
Formulations of 1-(4,6- 
dimethoxypyrimidin-2-yl)-3- 
[3-(trifluoromethyl)pyridin-2- 
yl]sulfonylurea 
(Flazasulfuron) (CAS No. 
104040–78–0) (provided for 
in subheading 3808.93.15) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21512. THIFENSULFURON-METHYL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.23 
Formulations of methyl 3- 
[(4-methoxy-6-methyl-1,3,5- 
triazin-2-yl) 
carbamoylsulfamoy-
l]thiophene-2-carboxylate 
(Thifensulfuron-methyl) 
(CAS No. 79277–27–3) and 
application adjuvants (pro-
vided for in subheading 
3808.93.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21513. HERBICIDE FOR FARM AND RANCH USE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.24 
Formulations of (RS)-2- 
Chloro-N-(2-ethyl-6-methyl- 
phenyl)-N-(1-methoxypropan- 
2-yl)acetamide (S- 
metolachlor) (CAS No. 
87392–12–9) and ammonium 
(2RS)-2-amino-4- 
(methylphosphinato)butyric 
acid (Glufosinate) (CAS No. 
77182–82–2) (provided for in 
subheading 3808.93.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21514. PROPANIL FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.25 
Formulations of N-(3,4- 
dichlorophenyl)propanamide 
(Propanil) (CAS No. 709– 
98–8) (provided for in sub-
heading 3808.93.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21515. THIFENSULFURON FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.26 
Formulations of 3-[(4- 
methoxy-6-methyl-1,3,5- 
triazin-2- 
yl)carbamoylsulfamoyl] 
thiophene-2-carboxylic acid 
(Thifensulfuron) (CAS No. 
79277–67–1) and application 
adjuvants (provided for in 
subheading 3808.93.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21516. TOLPYRALATE AND NICOSULFURON HERBI-
CIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.27 
Formulations of (RS)-1-{1- 
ethyl-4-[4-mesyl-3-(2- 
methoxyethoxy)-o- 
toluoyl]pyrazol-5-yloxy}ethyl 
methyl carbonate 
(Tolpyralate) (CAS No. 
1101132–67–5) and 2-[(4,6- 
dimethoxypyrimidin-2- 
yl)carbamoylsulfamoyl]-N,N- 
dimethylpyridine-3- 
carboxamide (Nicosulfuron) 
(CAS No. 111991–09–4) 
(provided for in subheading 
3808.93.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21517. MIXTURES OF MAGNESIUM SALTS AND APPLI-
CATION ADJUVANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.28 
Mixtures of magnesium 
dinitrate (CAS No. 10377– 
60–3), 5-chloro-2-methyl-1,2- 
thiazol-3-one (CAS No. 
26172–55–4), 2-methyl-1,2- 
thiazol-3-one (CAS No. 
2682–20–4), magnesium di-
chloride (CAS No. 7786–30– 
3), and application adjuvants 
(provided for in subheading 
3808.94.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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188 
SEC. 21518. NISIN FORMULATIONS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.29 
Nisin preparations including 
2.5 percent Nisin and 92 per-
cent salt (CAS No. 1414–45– 
5) (provided for in sub-
heading 3808.99.95) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21519. CERTAIN FIXATIVES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.30 
Dye fixative used in the tex-
tile industry containing 
benzenesulfonic acid, hy-
droxy-, sodium salt (1:1), 
polymer with formaldehyde 
and 4,4′-sulfonylbis(phenol) 
(CAS No. 71832–81–0) (pro-
vided for in subheading 
3809.91.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21520. FUEL OIL ADDITIVES: COLD FLOW IMPROVERS 
CONTAINING 
POLY(ETHYLENE-CO-ETHENYL 
ACETATE). 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.31 
Mixtures containing 
poly(ethylene-co-ethenyl ace-
tate) (CAS No. 24937–78–8) 
used as a cold flow improver 
for fuel oils (provided for in 
subheading 3811.90.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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189 
SEC. 21521. FUEL OIL ADDITIVES: COLD FLOW IMPROVERS 
CONTAINING FUMARATE VINYL ACETATE CO- 
POLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.32 
Mixtures containing fumarate 
vinyl acetate co-polymer 
(CAS No. 68954–13–2) used 
as a cold flow improver for 
fuel oils (provided for in sub-
heading 3811.90.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21522. CRUDE OIL ADDITIVES: COLD FLOW IMPROV-
ERS CONTAINING FUMARATE VINYL ACETATE 
COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.33 
Mixtures containing fumarate 
vinyl acetate copolymer (CAS 
No. 68954–15–4 or 68954– 
14–3) used as a cold flow im-
prover for crude oil (provided 
for in subheading 
3811.90.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21523. POUR POINT DEPRESSANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.34 
Mixtures containing hydro-
phobic acrylic polymer (CAS 
No. 27029–57–8) used as a 
pour point depressant for 
crude oil (provided for in sub-
heading 3811.90.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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190 
SEC. 21524. FUEL OIL ADDITIVES: COLD FLOW IMPROVERS 
CONTAINING POLY (ETHYLENE-CO-ETHENYL 
ACETATE AND VINYL 2-ETHYL HEXANOATE). 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.35 
Mixtures containing poly 
(ethylene-co-ethenyl acetate 
and vinyl 2-ethyl hexanoate) 
(CAS No. 52856–75–4) used 
as a cold flow improver for 
fuel oil (provided for in sub-
heading 3811.90.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21525. 
POLY(ISOBUTYLENE) 
HYDROFORMYLATION 
PRODUCTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.36 
Mixtures consisting of 
poly(isobutylene) 
hydroformylation products, 
reaction products with ammo-
nia (CAS No. 337367–30–3), 
used in the production of gas-
oline detergent additive pack-
ages (provided for in sub-
heading 3811.90.00) .............
5% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21526. INPUT FOR RUBBER PRODUCTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.37 
Mixtures of 3-(3,4- 
dichlorophenyl)-1,1- 
dimethylurea (CAS No. 330– 
54–1) with acrylate rubber 
(provided for in subheading 
3812.10.10) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21527. MIXTURES OF OLIGOMERS AS GENERAL ANTI-
OXIDANTS FOR RUBBER TIRES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.38 
Mixtures of oligomers of 
2,2,4-trimethyl-1,2- 
dihydroquinoline (CAS Nos. 
147–47–7 and 26780–96–1) 
as general antioxidants for 
rubber tires (provided for in 
subheading 3812.31.00) ........
4.4% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21528. 
BENZENE, 
2,4-DIISOCYANATO-1,3,5-TRIS(1- 
METHYLETHYL)-, HOMOPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.39 
Benzene, 2,4-diisocyanato- 
1,3,5-tris(1-methylethyl)-, 
homopolymer (CAS No. 
29963–44–8) (provided for in 
subheading 3812.39.60) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21529. AROMATIC AMINE ANTIOXIDANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.40 
Aromatic amine liquid anti-
oxidants for various polymers 
consisting of benzenamine, 
N-phenyl-, reaction products 
with 2,4,4-trimethylpentene 
(CAS No. 68411–46–1) (pro-
vided for in subheading 
3812.39.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21530. ANTIOXIDANT BLENDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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192 
‘‘ 
9902.24.41 
Antioxidant blends for poly-
mers consisting of 
tetrakismethylene (3, 5-di-t- 
butyl-4- 
hydroxyhydrocinnamate) 
methane (CAS No. 6683–19– 
8) and tris (2, 4-di-t- 
butylphenyl) phosphite (CAS 
No. 31570–04–4) (provided 
for in subheading 
3812.39.60) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21531. ANTIOXIDANT BLENDS TO PROTECT POLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.42 
Antioxidant blends for poly-
mers consisting of N, N′- 
hexamethylene bis[3-(3,5-di-t- 
butyl-4- 
hydroxyphenyl)propionamide] 
(CAS No. 23128–74–7) and 
tris (2, 4-di-t-butylphenyl) 
phosphite (CAS No. 31570– 
04–4) (provided for in sub-
heading 3812.39.60) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21532. SYNTHETIC HYDROTALCITE COATED WITH 
FATTY ACID AND MAGNESIUM STEARATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.43 
Polyvinyl chloride stabilizers 
consisting of magnesium alu-
minum hydroxide carbonate 
(synthetic hydrotalcite) (CAS 
No. 11097–59–9) coated with 
fatty acids (CAS No. 67701– 
03–5) and magnesium stea-
rate (CAS No. 91031–63–9) 
(provided for in subheading 
3812.39.90) ...........................
1.7% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21533. SILICA SCORCH RETARDERS AND POLYMERIZA-
TION INHIBITORS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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193 
‘‘ 
9902.24.44 
Mixtures of precipitated silica 
gel (CAS No. 112926–00–8) 
and (4-hydroxy-2,2,6,6- 
tetramethyl-1- 
piperidinyl)oxidanyl (CAS 
No. 2226–96–2) of a kind 
used as polymerization inhibi-
tors (provided for in sub-
heading 3812.39.90) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21534. SYNTHETIC HYDROTALCITE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.45 
Magnesium aluminum hy-
droxide carbonate (synthetic 
hydrotalcite) (CAS No. 
11097–59–9) coated with a 
vegetable-based (palm oil) 
stearic acid (provided for in 
subheading 3812.39.90) ........
1.6% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21535. 
LIGHT 
STABILIZERS 
FOR 
CONSTRUCTION 
PRODUCTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.46 
Hindered amine light stabi-
lizers for polypropylene, poly-
vinyl chloride and other simi-
lar goods, the foregoing con-
sisting of 1,6-hexanediamine, 
N,N′-bis(2,2,6,6-tetramethyl- 
4-piperidinyl)-, polymer with 
2,4,6-trichloro-1,3,5-triazine, 
reaction products with N- 
butyl-1-butanamine and N- 
butyl-2,2,6,6-tetramethyl-4- 
piperidinamine (CAS No. 
192268–64–7) (provided for 
in subheading 3812.39.90) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21536. LIGHT STABILIZER FOR PLASTICS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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194 
‘‘ 
9902.24.47 
Light stabilizer for plastics 
containing a mixture of 
(2,2,6,6-tetramethy, 4- 
piperidinyl) polymer in 50 
percent polypropylene (CAS 
No. 69447–45–8); 2,2,6,6- 
tetramethylpiperidin-4-yl) 
octadecanoate (CAS No. 
167078–06–0) and 2,2,6,6- 
tetramethylpiperidin-4-ol 
(CAS No. 2403–88–5) (pro-
vided for in subheading 
3812.39.90) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21537. PREPARATIONS OF BIS(2,4–DICHLOROBENZOYL) 
PEROXIDE 50 PERCENT PASTE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.48 
Preparations each used as an 
initiator (radical source) in 
the crosslinking of polymers 
consisting of bis(2,4- 
dichlorobenzoyl)peroxide 
(CAS No. 133–14–2) and sil-
icone oil (provided for in sub-
heading 3815.90.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21538. DISTILLED TALL OILS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.49 
Distilled tall oils containing 
more than 2 percent by 
weight rosin (CAS No. 8002– 
26–4) (provided for in sub-
heading 3823.13.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21539. PYRIDINE, ALKYL DERIVATIVES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.50 
Pyridine, alkyl derivatives 
(CAS No. 68391–11–7) (pro-
vided for in subheading 
3824.99.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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195 
SEC. 21540. POLYISOCYANATE CROSSLINKING AGENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.51 
Polyisocyanate crosslinking 
agent tris(4- 
isocyanatophenoxy)- 
sulfanylidene-λ5-phosphane 
(CAS No. 4151–51–3) (pro-
vided for in subheading 
3824.99.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21541. BONDING AGENT MIXTURES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.52 
Mixture of phenol;propane-1- 
sulfonic acid (CAS No. 
70775–94–9) and 1,3- 
diisocyanato-2- 
methylbenzene;2,4- 
diisocyanato-1-methylbenzene 
(CAS No. 31370–61–3) (pro-
vided for in subheading 
3824.99.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21542. LIQUID, CHEMICALLY MODIFIED AMINE COM-
PLEX OF BORON TRIFLUORIDE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.53 
Liquid, chemically modified 
amine complex of 
(benzylamine)trifluoroboron 
(CAS No. 696–99–1) (pro-
vided for in subheading 
3824.99.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21543. PHTHALOCYANINE DERIVATIVE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.54 
1-Octadecanaminium, N,N- 
dimethyl-N-octadecyl-, (Sp-4- 
2)-[29H,31H-phthalocyanine- 
2-sulfonato(3-)-κN29, κN30, 
κN31, κN32]cuprate(1-) 
(CAS No. 70750–63–9) (pro-
vided for in subheading 
3824.99.28) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21544. MIXTURES OF COCAMIDOPROPYL BETAINE, 
GLYCOL 
DISTEARATE, 
LAURETH-4, 
AND 
WATER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.55 
Mixtures of 2-[3- 
(dodecanoylamino)propyl- 
dimethylazaniumyl]acetate 
(Cocamidopropyl betaine) 
(CAS No. 61789–40–0); fatty 
acids, C16–18, esters with 
ethylene glycol (glycol 
distearate) (CAS No. 91031– 
31–1); alcohols C12–14, 
ethoxylated (Laureth-4) 
(CAS No. 68439–50–9) and 
oxidane (water) (CAS No. 
7732–18–5) (provided for in 
subheading 3824.99.41) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21545. MIXTURES OF TALL OIL MONO-, DI-, AND 
TRIGLYCERIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.56 
Mixtures of tall oil mono-, di- 
, and triglycerides of a kind 
used for fuel additives (CAS 
No. 97722–02–6) (provided 
for in subheading 
3824.99.41) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21546. TALLOW-BIS(2-HYDROXYETHYL) AMINES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.57 
Mixtures of fatty substances 
of animal origin containing 
50 percent by weight of 2-(2- 
hydroxyethylamino)ethanol on 
a polyethylene carrier (pro-
vided for in subheading 
3824.99.41) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21547. ADDITIVE MIXTURES FOR METALWORKING 
FLUIDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.58 
Additive mixtures for metal-
working fluids of 2-[di-
meth-
yl(propyl)azaniumyl]ethyl-[2- 
[2-[2-[2-[2-[2-[2- 
methoxyethy-
l(dimethyl)azaniumyl]ethyl- 
dimethylazaniumy-
l]ethoxy]ethyl- 
dimethylazaniumyl]ethyl- 
dimethylazaniumy-
l]ethoxy]ethyl]- 
dimethylazanium;hexachloride 
(CAS No. 31075–24–8) (pro-
vided for in subheading 
3824.99.55) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21548. NAPHTHENIC ACIDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.59 
Naphthenic acids composed 
of 3-(3- 
ethylcyclopentyl)propanoic 
acid (CAS No. 1338–24–5) 
having an acidic fraction 
greater than 70 percent (pro-
vided for in subheading 
3824.99.75) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21549. HYDROXYTYROSOL POWDERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.60 
Mixtures containing 
(2R,3S,4R,5R)-2,3,4,5,6- 
pentahydroxyhexanal (CAS 
No. 9050–36–6 (less than 90 
percent by weight)) and 4-(2- 
hydroxyethyl)benzene-1,2-diol 
(CAS No. 10597–60–1 (less 
than 25 percent by weight)) 
(provided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21550. SECONDARY ALCOHOL ETHOXYLATES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.61 
Mixtures of C12–14-sec-
ondary ethoxylated alcohols 
with an average of less than 
5 ethylene oxide monomer 
units (CAS No. 84133–50–6) 
(provided for in subheading 
3824.99.92) ...........................
2.8% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21551. ETHYLENE GLYCOL DIMERATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.62 
Mixtures containing fatty 
acid polymer of a kind used 
as fuel additives (fatty acids, 
C18-unsaturated, dimers, 
polymers with ethylene gly-
col) (CAS No. 68082–28–0) 
(provided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21552. TWO-PART LIQUID SILICONE KITS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.63 
Two-part liquid silicone kits 
(parts A and B) containing 
58 to 70 percent by weight 
aluminum oxide (CAS No. 
1344–28–1) treated with 
tetrapropyl silicate (CAS No. 
682–01–9), 10 to 20 percent 
by weight ethenyl-[eth-
enyl(dimethyl)silyl]oxy- 
dimethylsilane (CAS No. 
68083–19–2), 5 to 15 per-
cent by weight [di-
meth-
yl(trimethylsilyloxy)silyl]oxy- 
ethenyl-methyl- 
trimethylsilyloxysilane (CAS 
No. 67762–94–1), 5 to 15 
percent by weight iron oxide 
(CAS No. 1309–37–1), 1 to 
3 percent by weight 
bis(dimethylsilyloxy)- 
dimethylsilane (CAS No. 
70900–21–9) and 1 to 3 per-
cent by weight silica, 
[(ethenyldimethylsilyl)oxy]- 
and [(trimethylsilyl)oxy]- 
modified (CAS No. 68988– 
89–6) (provided for in sub-
heading 3824.99.92) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21553. HYDROPHOBIC PRECIPITATED SILICA. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.64 
Siloxanes and silicones, di- 
methyl, reaction products 
with silica (CAS No. 67762– 
90–7) (provided for in sub-
heading 3824.99.92) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21554. SILANE, TRIMETHOXYOCTYL-, HYDROLYSIS 
PRODUCTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.65 
Dioxosilane; 
trimethoxy(octyl)silane (CAS 
No. 92797–60–9) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 
21555. 
1,1,1-TRIMETHYL-N- 
(TRIMETHYLSILYL)SILANAMINE HYDROLYSIS 
PRODUCTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.66 
1,1,1-Trimethyl-N- 
(trimethylsilyl)silanamine hy-
drolysis products with silica 
and 3-(triethoxysilyl)-1- 
propanamine (CAS No. 
199876–44–3) (provided for 
in subheading 3824.99.92) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21556. WATERBORNE EPOXY CURING AGENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.67 
Waterborne epoxy curing 
agents based on cycloaliphatic 
amine technology containing 
(3-aminimethyl-3,5,5- 
trimethylcyclohexylamine) 
(CAS No. 285513–2) (pro-
vided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21557. PREPARATIONS BASED ON 1-PHENYLICOSANE- 
1,3-DIONE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.68 
Preparations based on 1- 
phenylicosane-1,3-dione (CAS 
No. 58446–52–9) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21558. MIXTURES OF 2-MERCAPTOPROPIONIC ACID, 
METHYL 
ESTER, 
O-ETHYL 
DITHIOCARBONATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.69 
Mixtures of methyl 2- 
ethoxycarbothioylsulfanylpro-
panoate (CAS No. 351491– 
23–1); heptane (CAS No. 
142–82–5) and 
methanedithione (CAS No. 
75–15–0) (provided for in 
subheading 3824.99.92) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21559. EPOXY CURING AGENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.70 
Epoxy curing agent mixtures 
of linseed oil polymer with 
bisphenol A, bisphenol A 
diglycidyl ether, 
diethylenetriamine, formalde-
hyde, glycidyl phenyl ether 
and pentaethylenehexamine 
(CAS No. 68915–81–1) (pro-
vided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21560. ALIPHATIC AMINE CURING AGENTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.71 
[3- 
(Aminomethy-
l)phenyl]methanamine (CAS 
No. 1477–55–0) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21561. NON-HALOGENATED FLAME RETARDANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.24.72 
Non-halogenated flame 
retardants based on organic 
phosphinates alu-
minum;diethylphosphinate 
(CAS No. 225789–38–8) 
phosphonic acid, aluminum 
salt (3:2) (CAS No. 56287– 
23–1) (provided for in sub-
heading 3824.99.92) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21562. LIGAPHOB N 90. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.73 
Fatty acids, C16–18 and 
C18–unsaturated, sodium 
salts (CAS No. 68424–26–0) 
(provided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21563. ORGANOMODIFIED SILOXANE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.74 
Mixtures of poly[oxy(methyl- 
1,2-ethanediyl)], α-butyl-ω- 
hydroxy- (CAS No. 9003–13– 
8); polysiloxanes, di-Me, hy-
droxy-terminated, ethoxylated 
propoxylated (CAS No. 
64365–23–7); and oxirane, 2- 
methyl-, polymer with oxirane 
(CAS No. 9003–11–6) (pro-
vided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21564. 
METHYL 
PALMITATE-STEARATE, 
HYDRO-
GENATED. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.75 
Fatty acids, C16–18, methyl 
esters (methyl palmitate-stea-
rate, hydrogenated) (CAS 
No. 85586–21–6) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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203 
SEC. 21565. OLFINE E1010. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.76 
Mixtures of ethane-1,2- 
diol;2,4,7,9-tetramethyldec-5- 
yne-4,7-diol (CAS No. 9014– 
85–1) (provided for in sub-
heading 3824.99.92) .............
1% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21566. 
CERTAIN 
NON-HALOGENATED 
FLAME 
RETARDANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.77 
Non-halogenated flame 
retardants based on organic 
phosphinates alu-
minum;diethylphosphinate 
(CAS No. 225789–38–8) 
phosphoric acid;1,3,5-tri-
azine-2,4,6-triamine (CAS 
No. 218768–84–4) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21567. FLAME RETARDANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.78 
Non-halogenated flame re-
tardant based on organic 
phosphinates alu-
minum;diethylphosphinate 
(CAS No. 225789–38–8) 
phosphoric acid;1,3,5-tri-
azine-2,4,6-triamine (CAS 
No. 218768–84–4) boron zinc 
oxide (CAS No. 12767–90–7) 
(provided for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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204 
SEC. 
21568. 
PREPARATIONS 
BASED 
ON 
ACETYL 
HEXAPEPTIDE-8 AND PENTAPEPTIDE-18. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.79 
Mixtures of propane-1,2,3- 
triol (CAS No. 56–81–5); 
(4S)-4-acetamido-5-[[(2S)-1- 
[[(2S)-1-[[(2S)-5-amino-1- 
[[(2S)-1-[[(2S)-1-amino-5- 
(diaminomethylideneamino)- 
1-oxopentan-2-yl]amino]-5- 
(diaminomethylideneamino)- 
1-oxopentan-2-yl]amino]-1,5- 
dioxopentan-2-yl]amino]-4- 
methylsulfanyl-1-oxobutan-2- 
yl]amino]-4-carboxy-1- 
oxobutan-2-yl]amino]-5- 
oxopentanoic acid (CAS No. 
616204–22–9); L-tyrosyl-D- 
alanylglycyl-L-phenylalanyl- 
L-leucine (CAS No. 64963– 
01–5); 2-hydroxypropane- 
1,2,3-tricarboxylic acid hy-
drate (CAS No. 5949–29–1); 
octane-1,2-diol (CAS No. 
1117–86–8) and water (CAS 
No. 7732–18–5) (provided 
for in subheading 
3824.99.92) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21569. LITHIUM SILICON OXIDE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.80 
Lithium poly-silicate (lithium 
silicon oxide) in dark gray 
powdered form (CAS No. 
12627–14–4) (provided for in 
subheading 3824.99.92) ........
3.9% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21570. BRANCHED OLEFIN FROM PROPYLENE POLYM-
ERIZATION. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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205 
‘‘ 
9902.24.81 
Branched olefin from pro-
pylene polymerization (12- 
[(2S,3R)-3-octyloxiran-2- 
yl]dodecanoic acid) (CAS No. 
9003–07–0) (provided for in 
subheading 3902.10.00), the 
foregoing other than poly-
propylene in pellet form, con-
taining 1 percent or more but 
not over 10 percent by weight 
of mineral filler (talc) and 10 
percent or more but not over 
30 percent by weight of car-
bon powder ............................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21571. POLYPROPYLENE PELLETS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.82 
Polypropylene in pellet form, 
containing 1 percent or more 
but not over 10 percent by 
weight of mineral filler (talc) 
and 10 percent or more but 
not over 30 percent by weight 
of carbon powder (CAS No. 
9003–07–0) (provided for in 
subheading 3902.10.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21572. PROPYLENE-ETHYLENE COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.83 
Poly(propylene-co-ethylene) 
(CAS No. 9010–79–1) (pro-
vided for in subheading 
3902.30.00), the foregoing 
other than ethylene-propylene 
copolymers containing 50 to 
75 percent by weight of pro-
pylene ....................................
4.9% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21573. ETHYLENE-PROPYLENE COPOLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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206 
‘‘ 
9902.24.84 
Ethylene-propylene copoly-
mers, containing 50 to 75 
percent by weight of pro-
pylene (CAS No. 9010–79–1) 
(provided for in subheading 
3902.30.00) ...........................
3.3% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21574. BENZENE ALKYLATED WITH POLYPROPYLENE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.85 
Benzene, polypropylene de-
rivatives (CAS No. 68081– 
77–6) (provided for in sub-
heading 3902.90.00) .............
1.3% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21575. CHLORINATED POLYOLEFIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.86 
Chlorinated polyolefin (1- 
butene, polymer with ethene 
and 1-propene, chloro- and 
tetrahydro-2,5-dioxo-3- 
furanyl-terminated) (CAS 
No. 560096–07–3) (provided 
for in subheading 
3902.90.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21576. ADSORBENT RESIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.87 
Poly(divinylbenzene-co- 
ethylstyrene) (CAS No. 
9043–77–0) (provided for in 
subheading 3903.90.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21577. VINYL CHLORIDE-HYDROXYPROPYL ACRYLATE 
COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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207 
‘‘ 
9902.24.88 
2-Hydroxypropyl prop-2- 
enoate (acrylate), oxiran-2- 
ylmethyl 2-methylprop-2- 
enoate (glycidyl methacry-
late), vinyl chloride copolymer 
(CAS No. 164718–75–6) 
(provided for in subheading 
3904.40.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21578. VINYL CHLORIDE ETHYLENE COPOLYMER WITH 
HYDROPHIC PROPERTIES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.89 
Mixtures containing by 
weight less than 70 percent 
of ethylene-vinyl chloride co-
polymer (CAS No. 25037– 
78–9) (provided for in sub-
heading 3904.40.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21579. FLUIDS WITH BOILING POINTS ABOVE 170 °C. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.90 
1-Propene, 1,1,2,3,3,3- 
hexafluoro-, oxidized, polym-
erized (CAS 69991–67–9) 
(provided for in subheading 
3904.69.50), with boiling 
point above 170 °C ...............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21580. 
FORMULATIONS 
OF 
FUNCTIONALIZED 
PERFLUOROPOLYETHER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.91 
Ethene, 1,1,2,2-tetrafluoro-, 
oxidized, polymerized, re-
duced, fluorinated, ethyl 
esters, reduced (CAS No. 
1573124–82–9) (provided for 
in subheading 3904.69.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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208 
SEC. 
21581. 
PERFLUOROPOLYETHER-URETHANE 
ACRY-
LATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.92 
Perfluoropolyether-urethane 
acrylate (2-propenoic acid, 2- 
hydroxyethyl ester, reaction 
products with 5-isocyanato-1- 
(isocyanatomethyl)-1,3,3- 
trimethylcyclohexane trimer 
and reduced Me esters of re-
duced polymerized, oxidized 
tetrafluoroethylene) (CAS 
No. 918664–08–1) present in 
a quantity comprising 60 per-
cent or more but less than 70 
percent by weight, the fore-
going dissolved in 0.5 percent 
or more but less than 1 per-
cent by weight of propan-2-ol 
(isopropyl alcohol) (CAS No. 
67–63–0), 15 percent or 
more but less than 20 per-
cent by weight of ethyl ace-
tate (CAS No.141–78–6) and 
10 percent or more but less 
than 15 percent by weight of 
butyl acetate (CAS No.123– 
86–4) (provided for in sub-
heading 3904.69.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21582. PVDF HOMOPOLYMER/PVDF/CTFE COPOLYMER 
MIXTURES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.93 
Mixtures of ethene, 1,1- 
difluoro-, homopolymer (CAS 
No. 24937–79–9) and ethene, 
1-chloro-1,2,2-trifluoro-, poly-
mer with 1,1-difluoroethene 
(CAS No. 9010–75–7) (pro-
vided for in subheading 
3904.69.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21583. CHEMICALLY MODIFIED PVDF. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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209 
‘‘ 
9902.24.94 
Chemically modified ethene, 
1,1-difluoro-, homopolymer 
(CAS No. 24937–79–9) (pro-
vided for in subheading 
3904.69.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21584. FLUOROPOLYMER, FLUOROETHYLENE-ALKYL 
VINYLETHER ALTERNATIVE COPOLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.95 
Chlorotrifluoroethylene- 
cyclohexyl vinyl ether- 
hydroxybutyl vinyl ether co-
polymer in flake or powder 
form, having a glass transi-
tion temperature of 51 °C 
(CAS No. 89461–13–2) (pro-
vided for in subheading 
3904.69.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21585. COPOLYMER OF VINYL ACETATE AND HIGHER 
VINYL ESTERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.96 
Mixtures containing 50 per-
cent by weight poly(vinyl ace-
tate-co-vinyl laurate) (CAS 
No. 26354–30–3) and 50 
percent by weight bis(2- 
ethylhexyl) adipate (CAS No. 
103–23–1) (provided for in 
subheading 3905.19.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21586. FOOD-GRADE VINYL ACETATE COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.97 
Dodecanoic acid, ethenyl 
ester, polymer with ethenyl 
acetate (CAS No. 26354–30– 
3) (provided for in sub-
heading 3905.19.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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210 
SEC. 21587. VINYL CHLORIDE ETHYLENE WITH ENHANCED 
PROPERTIES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.98 
Mixtures containing by 
weight less than 75 percent 
of ethylene-vinyl acetate-vinyl 
chloride copolymer (CAS No. 
25085–46–5) (provided for in 
subheading 3905.29.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21588. VINYL ACETATE ETHYLENE COPOLYMER WITH 
ENHANCED PROPERTIES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.24.99 
Mixtures containing not more 
than 75 percent by weight of 
poly(ethylene-co-ethenyl ace-
tate) (CAS No. 24937–78–8), 
other than in aqueous disper-
sion (provided for in sub-
heading 3905.29.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21589. 
FOOD-GRADE 
POLYVINYL 
ACETATE 
HOMOPOLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.01 
Dodecanoic acid, ethenyl 
ester, polymer with ethenyl 
acetate (CAS No. 26354–30– 
3) (provided for in sub-
heading 3905.29.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21590. ACRYLIC ACID/VINYLSULPHONATE RANDOM 
COPOLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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211 
‘‘ 
9902.25.02 
Acrylic acid-sodium 
vinylsulfonate copolymers, so-
dium persulfate initiated, re-
action product with 
tetrasodium vinylidene 
diphosphonic acid (CAS No. 
397256–50–7) (provided for 
in subheading 3905.91.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21591. 
POLY(METHYL 
METHACRYLATE) 
MICRO-
SPHERES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.03 
Poly(methyl methacrylate) 
granular or spherical micro- 
spheres, each with mean par-
ticle size of 1 to 25 μm (CAS 
No. 9011–14–7) (provided 
for in subheading 
3906.10.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21592. 
METHYL 
METHACRYLATE 
CROSSPOLYMER 
MICROSPHERES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.04 
Composites of methyl meth-
acrylate crosspolymer (methyl 
2-methylprop-2-enoate;2-(2- 
methylprop-2-enoyloxy)ethyl 
2-methylprop-2-enoate) (CAS 
No. 25777–71–3), entirely 
spherical micro-spheres with 
mean particle size of 1 to 25 
μm and containing 7 to 10 
percent by weight of 
dicalcium phosphate (CAS 
No. 7757–93–9) (provided 
for in subheading 
3906.10.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21593. STYRENE ACRYLATE COPOLYMER WITH EN-
HANCED PROPERTIES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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212 
‘‘ 
9902.25.05 
Mixtures containing less than 
65 percent by weight of butyl 
prop-2-enoate;styrene (CAS 
No. 25767–47–9) (provided 
for in subheading 
3906.90.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21594. COPOLYMER FOR DENTAL USE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.06 
Reacted copolymer of itaconic 
and acrylic acids, containing 
by weight over 90 percent 2- 
propenoic acid polymer with 
methylenebutanedioic acid, 
and also containing ethyl ace-
tate and tetrahydrofuran 
(CAS No. 25948–33–8) (pro-
vided for in subheading 
3906.90.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21595. VINYL PHOSPHONIC ACID, ACRYLIC ACID CO-
POLYMER, 20 PERCENT SOLUTION IN WATER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.07 
2-Propenoic acid, polymer 
with p-ethenylphosphonic 
acid, 20 percent solution in 
water (CAS No. 27936–88– 
5) (provided for in sub-
heading 3906.90.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21596. POLYACRYLATE 33. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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213 
‘‘ 
9902.25.08 
Mixtures of polyacrylate 33 
(methyl methacrylate, poly-
mers with ethyl acrylate, pol-
yethylene glycol methacrylate 
C16–22-alkyl ethers and pol-
yethylene-polypropylene glycol 
methacrylate 2-(6,6- 
dimethylbicyclo[3.1.1]hept-2- 
en-2-yl)ethyl ether) (CAS No. 
1204525–16–5) and alcohols, 
C10–16, ethoxylated, sul-
fates, ammonium salts (CAS 
No. 67762–19–0) (provided 
for in subheading 
3906.90.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21597. AA/AMPS COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.09 
Acrylic acid-2-acrylamide-2- 
methyl propanesulfonic acid 
copolymer (prop-2-enoic 
acid;2-(prop-2- 
enoylamino)butane-2-sulfonic 
acid) (CAS No. 40623–75–4) 
in granule form, with a par-
ticle size between 250 and 
850 μm (provided for in sub-
heading 3906.90.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21598. FLOCCULANT DRY POLYACRYLAMIDES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.10 
Flocculant dry 
polyacrylamides (prop-2- 
enamide) (CAS No. 9003– 
05–8) (provided for in sub-
heading 3906.90.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21599. SORBITOL, PROPYLENE OXIDE, ETHYLENE 
OXIDE POLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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214 
‘‘ 
9902.25.11 
Oxirane, 2-methyl-, polymer 
with oxirane, ether with D- 
glucitol (6:1) (CAS No. 
56449–05–9) (provided for in 
subheading 3907.20.00) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21600. TRIMETHOXYSILYLPROPYLCARBAMATE-TERMI-
NATED POLYETHER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.12 
Poly[oxy(methyl-1,2- 
ethanediyl)], α-(((3- 
(trimethoxysily-
l)propyl)amino)carbonyl)-ω- 
((((3- 
(trimethoxysily-
l)propyl)amino)carbonyl)oxy)- 
(CAS No. 216597–12–5) 
(provided for in subheading 
3907.20.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21601. 
DIMETHOXY(METHYL) 
SILYLMETHYLCARBAMATE-TERMINATED 
POLYETHER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.13 
Poly(oxy(methyl-1,2- 
ethanediyl)), α- 
((((dimethoxymethylsilyl) 
methyl)amino)carbonyl)-ω- 
(((((dimethoxymethylsilyl) 
methyl)amino)carbonyl)oxy)- 
(CAS No. 611222–18–5) 
(provided for in subheading 
3907.20.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21602. CURING AGENT IS USED IN TWO- OR THREE- 
PARTS EPOXY SYSTEMS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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215 
‘‘ 
9902.25.14 
Polyoxypropylen glycol 
diamine ((3S,4S)-pyrrolidine- 
3,4-diol) (CAS No. 9046–10– 
0) (provided for in sub-
heading 3907.20.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21603. POLYETHYLENE GLYCOL 450. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.15 
Poly(oxy-1,2-ethanediyl),α- 
hydro-ω-hydroxy-ethane-1,2- 
diol, ethoxylated, PEG 450 
(CAS No. 25322–68–3) (pro-
vided for in subheading 
3907.20.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21604. MEDICINAL INTERMEDIATE FOR INVESTIGA-
TIONAL USE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.16 
Poly(oxy-1,2-ethandiyl), α- 
[[(2,5-dioxo-1-pyrrolidinyl) 
oxy]carbonyl]-ω-[[(2,5-dioxo- 
1-pyrrolinyl)oxy]carbonyl]oxy- 
(di-NHS PEG40K) (CAS No. 
122375–06–8) (provided for 
in subheading 3907.20.00) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21605. AQUEOUS SOLUTIONS OF CARBOXYLIC ACID- 
COPOLYMER-SALT IN WATER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.18 
Aqueous solutions containing 
by weight more than 35 per-
cent of 2,5-furandione, poly-
mer with α-[4- 
(ethenyloxy)butyl]-ω- 
hydroxypoly(oxy-1,2- 
ethanediyl), sodium salt 
(CAS No. 250591–55–0) 
(provided for in subheading 
3907.20.00) ...........................
3% 
No change 
No change 
On or before 
12/31/2023
’’. 
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216 
SEC. 21606. AQUEOUS SOLUTIONS OF A MODIFIED POLY-
MER BEARING HYDROPHILIC AND HYDRO-
PHOBIC GROUPS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.19 
Aqueous solutions containing 
by weight more than 40 per-
cent of 2,5-furandione, poly-
mer with ethenylbenzene, 
hydrolyzed, 3- 
(dimethylamino)propyl imide, 
imide with polyethylene-poly-
propylene glycol 2- 
aminopropyl me ether, 2,2′- 
(1,2-diazenediyl)bis(2- 
methylbutanenitrile)-initiated 
(CAS No. 1062609–13–5) 
(provided for in subheading 
3907.20.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21607. DIMETHYLAMINE/EPICHLOROHYDRIN/ETHYL-
ENEDIAMINE COPOLYMER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.20 
1,2-Ethanediamine, polymer 
with 2-(chloromethyl)oxirane 
and N-methylmethanamine 
(CAS No. 42751–79–1) (pro-
vided for in subheading 
3907.30.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21608. LINEAR HYDROXYL-TERMINATED ALIPHATIC 
POLYCARB DIOL. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.21 
Poly(dimethyl carbonate-co- 
1,6-hexanediol) (CAS No. 
101325–00–2) (provided for 
in subheading 3907.40.00) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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217 
SEC. 21609. SHORT HOLLOW PET FIBERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.22 
Hollow fibers of poly(ethylene 
terephthalate) (CAS No. 
25038–59–9), having a vis-
cosity number of 78 ml/g or 
higher, each fiber measuring 
0.5 mm or more but not 
more than 5 mm in length 
(provided for in subheading 
3907.61.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21610. POLYTETRAHYDROFURAN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.23 
Polytetrahydrofuran (CAS 
No. 25190–06–1) (provided 
for in subheading 
3907.99.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21611. CRYSTALLINE POLYESTERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.24 
1,4-Benzenedicarboxylic acid, 
1,4-dimethyl ester, polymer 
with 1,4-butanediol and α- 
hydro-ω-hydroxypoly(oxy-1,4- 
butanediyl) (CAS No. 9078– 
71–1) (provided for in sub-
heading 3907.99.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21612. LIQUID CRYSTAL POLYMERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.25 
1,4-Benzenedicarboxylic acid, 
polymer with 1,4-butanediol 
and α-hydro-ω- 
hydroxypoly(oxy-1,4- 
butanediyl) (CAS No. 37282– 
12–5) (provided for in sub-
heading 3907.99.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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218 
SEC. 21613. BRANCHED POLYESTERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.26 
1,3-Benzenedicarboxylic acid, 
polymer with 1,3-dihydro-1,3- 
dioxo-5- 
isobenzofurancarboxylic acid, 
1,4-dimethyl 1,4- 
benzenedicarboxylate, 2,2-di-
methyl-1,3-propanediol and 
1,2-ethanediol (CAS No. 
207346–22–3) (provided for 
in subheading 3907.99.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21614. HIGH MOLECULAR WEIGHT CO-POLYESTER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.27 
1,4-Benzenedicarboxylic acid, 
1,4-dimethyl ester, polymer 
with 1,4-butanediol and 
tricyclodecanedimethanol 
(CAS No. 490017–22–6) 
(provided for in subheading 
3907.99.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21615. HIGH MOLECULAR WEIGHT CO-POLYESTER. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.28 
1,3-Benzenedicarboxylic acid 
polymer with 1,4- 
benzenedicarboxylic acid, di-
methyl ester, 1,4- 
cyclohexanedimethanol, 2,2- 
dimethyl-1,3-propanediol and 
1,2-ethanediol (CAS No. 
74239–60–4) (provided for in 
subheading 3907.99.50) ........
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21616. POLYESTER-POLYAMIDE DISPERSANTS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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219 
‘‘ 
9902.25.29 
Dodecanoic acid, reaction 
products with ethylenimine-2- 
oxepanone polymer (CAS No. 
132434–99–2) (provided for 
in subheading 3907.99.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21617. NYLON-12 MICRO-SPHERES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.30 
Nylon-12, entirely spherical 
micro-spheres with mean par-
ticle size of 1 to 25 μm (CAS 
No. 24937–16–4) (provided 
for in subheading 
3908.10.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21618. SHORT NYLON-66 FIBERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.31 
Nylon 66 (CAS No. 32131– 
17–2) fiber, measuring 3.3 
decitex or more but not more 
than 22.2 decitex and having 
a fiber length each measuring 
0.5 mm or more but not over 
2 mm (provided for in sub-
heading 3908.10.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21619. SHORT NYLON 6 FIBERS, COLORED. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.32 
Nylon 6 (CAS No. 25038– 
54–4) fibers, colored with 
pigments, measuring approxi-
mately 5.5 or more but not 
more than 22.2 decitex and 
having a fiber length each 
measuring 1 mm or more but 
not over 5 mm (provided for 
in subheading 3908.10.00) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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220 
SEC. 21620. SHORT TRIANGULAR NYLON 6 FIBERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.33 
Triangular nylon 6 (CAS No. 
25038–54–4) fibers, meas-
uring 2 or more but not more 
than 5 decitex and having a 
fiber length each measuring 
0.5 mm or more but not over 
2 mm (provided for in sub-
heading 3908.10.00) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21621. SHORT STAR-SHAPED NYLON 6 FIBERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.34 
Star-shaped nylon 6 (CAS 
No. 25038–54–4) fibers, 
measuring 50 or more but 
not more than 200 decitex 
and having a fiber length 
each measuring 0.5 mm or 
more but not over 5 mm 
(provided for in subheading 
3908.10.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21622. SHORT HEART-SHAPED NYLON 6 FIBERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.35 
Heart-shaped nylon 6 (CAS 
No. 25038–54–4) fibers, 
measuring 150 decitex and 
having a fiber length each 
measuring 0.5 mm or more 
but not over 2 mm (provided 
for in subheading 
3908.10.00) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21623. PA510 POLYMER COMPOUNDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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‘‘ 
9902.25.36 
Mixtures containing 
poly(imino-1,5- 
pentanediylimino(1,10-dioxo- 
1,10-decanediyl)) PA510 
(CAS No. 105063–19–2) 
(provided for in subheading 
3908.90.70) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21624. MXD6 POLYMER COMPOUNDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.37 
Compounds in which 
hexanedioic acid, polymer 
with 1,3- 
benzenedimethanamine 
(MXD6) (CAS No. 25728– 
70–1) is the predominant 
polymer resin (provided for in 
subheading 3908.90.70) ........
2.2% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21625. PA10T POLYMER COMPOUNDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.38 
Compounds in which 
poly(iminocarbonyl-1,4- 
phenylenecarbonylimino-1,10- 
decanediyl) (PA10T) (CAS 
No. 24938–74–7) is the pre-
dominant polymer resin (pro-
vided for in subheading 
3908.90.70) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21626. PA10T/10I POLYMER COMPOUNDS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.39 
Compounds in which 
poly(iminocarbonyl-1,4- 
phenylenecarbonylimino-1,10- 
decanediyl)-co- 
(iminocarbonyl-1,3- 
phenylenecarbonylimino-1,10- 
decanediyl) (PA10T/10I) 
(CAS No. 106413–15–4) is 
the predominant polymer 
resin (provided for in sub-
heading 3908.90.70) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21627. POLYURETHANE AQUEOUS RESINS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.40 
Butane-1,4-diol;1,6- 
diisocyanatohexan-
e;hexanedioic acid;5- 
isocyanato-1- 
(isocyanatomethyl)-1,3,3- 
trimethylcyclohexane (CAS 
No. 107934–19–0) (provided 
for in subheading 
3909.50.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21628. AQUEOUS RESIN. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.41 
Hexanedioic acid, polymer 
with 1,4-butanediol, 1,6- 
diisocyanatohexane, 1,6- 
hexanediol and 5-isocyanato- 
1-(isocyanatomethyl)-1,3,3- 
trimethylcyclohexane (CAS 
No. 153640–62–1) (provided 
for in subheading 
3909.50.20) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21629. ALIPHATIC POLYISOCYANATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.42 
1,2,3-Propanetriol, polymer 
with 2,4-diisocyanato-1- 
methylbenzene, 2-ethyl-2- 
(hydroxymethyl)-1,3- 
propanediol, methyloxirane 
and oxirane (CAS No. 
127821–00–5) (provided for 
in subheading 3909.50.50) ...
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21630. 
IPDI 
AND 
HDI 
BASED 
ALIPHATIC 
POLYISOCYANATE. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
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223 
‘‘ 
9902.25.43 
Poly[oxy(methyl-1,2- 
ethanediyl)], α-hydro-ω-hy-
droxy-, polymer with 1,6- 
diisocyanatohexane (CAS No. 
9048–90–2) and cyclohexane, 
5-isocyanato-1- 
(isocyanatomethyl)-1,3,3- 
trimethyl-, (CAS No. 53880– 
05–0) (provided for in sub-
heading 3909.50.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 
21631. 
HDI/TRIMETHYLOL 
HEXYLLACTONE 
CROSSPOLYMER MICRO-SPHERES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.44 
Hexamethylene diisocyanate 
(HDI)/trimethylol 
hexyllactone crosspolymer 
(1,6-diisocyanatohexane;2- 
ethyl-2- 
(hydroxymethyl)propane-1,3- 
diol;oxepan-2-one) (CAS No. 
129757–76–2), entirely 
spherical micro-spheres with 
mean particle size of 1 to 25 
μm and coated with 1 to 3 
percent by weight of silica 
(CAS No. 7631–86–9) (pro-
vided for in subheading 
3909.50.50) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21632. HDI/PPG/POLYCAPROLACTONE CROSSPOLYMER 
MICRO-SPHERES. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.25.45 
2-Oxepanone, polymer with 
1,6-diisocyanatohexane, 2- 
ethyl-2-(hydroxymethyl)-1,3- 
propanediol and α-hydro-ω- 
hydroxy[poly[oxy(methyl-1,2- 
ethanediyl)]] ether with D- 
glucitol (6:1) (CAS No. 
302791–95–3), entirely 
spherical micro-spheres with 
mean particle size of 3 to 25 
μm (provided for in sub-
heading 3909.50.50) .............
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
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SEC. 21817. SLEEVE COVERS. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.27.79 
Sleeve covers of non-woven 
fabric of man-made fibers 
(provided for in subheading 
6307.90.98) ...........................
Free 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21818. SPORTS FOOTWEAR FOR MEN, VALUED OVER 
$20 PER PAIR. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.27.80 
Sports footwear with outer 
soles and uppers of rubber or 
plastics, valued over $20/pr, 
for men (provided for in sub-
heading 6402.19.90); the 
foregoing other than golf or 
cycling footwear for men de-
scribed in other provisions of 
this subchapter ......................
6.9% 
No change 
No change 
On or before 
12/31/2023
’’. 
SEC. 21819. SPORTS FOOTWEAR FOR WOMEN, VALUED 
OVER $20 PER PAIR. 
Subchapter II of chapter 99 is amended by inserting 
in numerical sequence the following new heading: 
‘‘ 
9902.27.81 
Sports footwear with outer 
soles and uppers of rubber or 
plastics, valued over $20/pr, 
for persons other than men 
(provided for in subheading 
6402.19.90); the foregoing 
other than golf or cycling 
footwear for persons other 
than men and described in 
other provisions of this sub-
chapter ..................................
7.6% 
No change 
No change 
On or before 
12/31/2023
’’. 
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