(d) DEFINITIONS.—For purposes of this section: 
(1) The term ‘‘retailers’’ means persons whose 
registrations pursuant to section 303(h) of the Con-
trolled Substances Act authorize sales of ephedrine, 
pseudoephedrine, or phenylpropanolamine at retail. 
(2) The term ‘‘precursor products’’ means prod-
ucts containing ephedrine, pseudoephedrine, or phen-
ylpropanolamine. 
SEC. 4. REVOCATION OF REGISTRATION. 
(a) CONTROLLED SUBSTANCES ACT.— 
(1) NUMBER OF NOTICES REGARDING VIOLA-
TIONS.—Section 304 of the Controlled Substances 
Act (21 U.S.C. 824) is amended by adding at the 
end the following subsection: 
‘‘(h) In the case of a person whose registration pursu-
ant to section 303(h) includes authority regarding ephed-
rine, pseudoephedrine, or phenylpropanolamine, if such 
person has received four written notifications from the At-
torney General that the Attorney General considers the 
person to be in violation of this Act with respect to such 
a chemical, each of which notices involves a separate viola-
tion, the Attorney General shall in accordance with proce-
dures under this section commence proceedings to revoke 
such authority of the person.’’.
(2) STANDARD REGARDING CONVICTIONS.—The 
Controlled Substances Act (21 U.S.C. 801 et seq.) 
is amended— 
(A) in section 303(f)(3), by striking ‘‘laws 
relating to’’ and all that follows and inserting 
‘‘laws.’’; and 
(B) in section 304(a)(2), by striking ‘‘or of 
any State, relating to’’ and all that follows and 
inserting ‘‘or of any State;’’. 
(b) CONTROLLED SUBSTANCES IMPORT AND EXPORT 
ACT; NUMBER OF NOTICES REGARDING VIOLATIONS.— 
Section 1008(c)(2) of the Controlled Substances Act (21 
U.S.C. 824(c)(2)) is amended by adding at the end the 
following subparagraph: 
‘‘(C) In the case of a person whose registration pur-
suant to subparagraph (A) includes authority regarding 
the importation of ephedrine, pseudoephedrine, or phenyl-
propanolamine, if such person has received four written 
notifications from the Attorney General that the Attorney 
General considers the person to be in violation of this Act 
with respect to such a chemical, each of which notices in-
volves a separate violation, the Attorney General shall in 
accordance with procedures under this section commence 
proceedings to revoke such authority of the person.’’.
SEC. 5. RESTRICTIONS ON SALES OF EPHEDRINE AND 
PSEUDOEPHEDRINE. 
The Controlled Substances Act (21 U.S.C. 801 et 
seq.) is amended— 
(1) in section 303, by adding at the end the fol-
lowing subsection: 
‘‘(i) A registration under subsection (h) that includes 
authority for the sale of ephedrine or pseudoephedrine at 
retail shall provide that the registration does not permit 
such a sale in which a quantity of such chemical in excess 
of 9.0 grams is sold in a single transaction.’’; and 
(2) in section 402(a)— 
(A) in paragraph (10), by striking ‘‘or’’ 
after the semicolon at the end; 
(B) in paragraph (11), by striking the pe-
riod at the end and inserting a ‘‘; or’’ and 
(C) by adding at the end the following 
paragraph: 
‘‘(12) who is a registrant with a registration re-
ferred to in section 303(i)— 
‘‘(A) to sell ephedrine or pseudoephedrine 
at retail in a single transaction in a quantity 
not authorized by the registration; or 
‘‘(B) to sell pseudoephedrine at retail in 
circumstances in which such chemical is mailed 
or shipped directly to the purchaser rather than