Form 3800 2021

General Business Credit

Department of the Treasury 

Internal Revenue Service (99)

▶ Go to www.irs.gov/Form3800 for instructions and the latest information.

▶ You must attach all pages of Form 3800, pages 1, 2, and 3, to your tax return.

OMB No. 1545-0895

Attachment 

Sequence No. 22

Name(s) shown on return Identifying number 

Part I Current Year Credit for Credits Not Allowed Against Tentative Minimum Tax (TMT) 

(See instructions and complete Part(s) III before Parts I and II.)

1 General business credit from line 2 of all Parts III with box A checked . . . . . . . . . . . 1

2 Passive activity credits from line 2 of all Parts III with box B checked . . . 2

3 Enter the applicable passive activity credits allowed for 2021. See instructions . . . . . . . . 3

4 Carryforward of general business credit to 2021. Enter the amount from line 2 of Part III with box C 

checked. See instructions for statement to attach . . . . . . . . . . . . . . . . . 4

Check this box if the carryforward was changed or revised from the original reported amount . . . . . . . . ▶

5 Carryback of general business credit from 2022. Enter the amount from line 2 of Part III with box D 

checked. See instructions . . . . . . . . . . . . . . . . . . . . . . . . . 5

6 Add lines 1, 3, 4, and 5 . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Part II Allowable Credit 

7 Regular tax before credits:

• Individuals. Enter the sum of the amounts from Form 1040, 1040-SR, or 1040-NR, line

16, and Schedule 2 (Form 1040), line 2 . . . . . . . . . . . . . . .

• Corporations. Enter the amount from Form 1120, Schedule J, Part I, line 2; or the 

applicable line of your return . . . . . . . . . . . . . . . . . . .

• Estates and trusts. Enter the sum of the amounts from Form 1041, Schedule G, 

lines 1a and 1b, plus any Form 8978 amount included on line 1d; or the amount from

the applicable line of your return . . . . . . . . . . . . . . . . .

} . . 7

8 Alternative minimum tax: 

• Individuals. Enter the amount from Form 6251, line 11 . . . . . . . . . .

• Corporations. Enter -0- . . . . . . . . . . . . . . . . . . . . .

• Estates and trusts. Enter the amount from Schedule I (Form 1041), line 54 . . . . } . . 8

9 Add lines 7 and 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

10a Foreign tax credit . . . . . . . . . . . . . . . . . . . . 10a 

b Certain allowable credits (see instructions) . . . . . . . . . . . . 10b 

c Add lines 10a and 10b . . . . . . . . . . . . . . . . . . . . . . . . . . 10c 

11 Net income tax. Subtract line 10c from line 9. If zero, skip lines 12 through 15 and enter -0- on line 16 11

12 Net regular tax. Subtract line 10c from line 7. If zero or less, enter -0- . . . 12

13 Enter 25% (0.25) of the excess, if any, of line 12 over $25,000. See 

instructions . . . . . . . . . . . . . . . . . . . . . . 13

14 Tentative minimum tax:

• Individuals. Enter the amount from Form 6251, line 9 . . . . . .

• Corporations. Enter -0- . . . . . . . . . . . . . . . .

• Estates and trusts. Enter the amount from Schedule I (Form 1041), 

line 52 . . . . . . . . . . . . . . . . . . . . .

} 14

15 Enter the greater of line 13 or line 14 . . . . . . . . . . . . . . . . . . . . . . 15

16 Subtract line 15 from line 11. If zero or less, enter -0- . . . . . . . . . . . . . . . . 16

17 Enter the smaller of line 6 or line 16 . . . . . . . . . . . . . . . . . . . . . . 17 

C corporations: See the line 17 instructions if there has been an ownership change, acquisition, or 

reorganization. 

For Paperwork Reduction Act Notice, see separate instructions. Cat. No. 12392F Form 3800 (2021) 
Form 3800 (2021) Page 2 

Part II Allowable Credit (continued)

Note: If you are not required to report any amounts on line 22 or 24 below, skip lines 18 through 25 and enter -0- on line 26.

18 Multiply line 14 by 75% (0.75). See instructions . . . . . . . . . . . . . . . . . . 18

19 Enter the greater of line 13 or line 18 . . . . . . . . . . . . . . . . . . . . . . 19

20 Subtract line 19 from line 11. If zero or less, enter -0- . . . . . . . . . . . . . . . . 20

21 Subtract line 17 from line 20. If zero or less, enter -0- . . . . . . . . . . . . . . . . 21 

22 Combine the amounts from line 3 of all Parts III with box A, C, or D checked . . . . . . . . . 22 

23 Passive activity credit from line 3 of all Parts III with box B checked . . . 23 

24 Enter the applicable passive activity credit allowed for 2021. See instructions . . . . . . . . 24 

25 Add lines 22 and 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 

26 Empowerment zone and renewal community employment credit allowed. Enter the smaller of line 21 

or line 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 

27 Subtract line 13 from line 11. If zero or less, enter -0- . . . . . . . . . . . . . . . . 27 

28 Add lines 17 and 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

29 Subtract line 28 from line 27. If zero or less, enter -0- . . . . . . . . . . . . . . . . 29

30 Enter the general business credit from line 5 of all Parts III with box A checked . . . . . . . . 30

31 Reserved . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

32 Passive activity credits from line 5 of all Parts III with box B checked . . . 32

33 Enter the applicable passive activity credits allowed for 2021. See instructions . . . . . . . . 33

34 Carryforward of business credit to 2021. Enter the amount from line 5 of Part III with box C checked

and line 6 of Part III with box G checked. See instructions for statement to attach . . . . . . . 34

Check this box if the carryforward was changed or revised from the original reported amount . . . . . . . . ▶

35 Carryback of business credit from 2022. Enter the amount from line 5 of Part III with box D checked. 

See instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

36 Add lines 30, 33, 34, and 35 . . . . . . . . . . . . . . . . . . . . . . . . . 36

37 Enter the smaller of line 29 or line 36 . . . . . . . . . . . . . . . . . . . . . 37

38 Credit allowed for the current year. Add lines 28 and 37. 

Report the amount from line 38 (if smaller than the sum of Part I, line 6, and Part II, lines 25 and 36, 

see instructions) as indicated below or on the applicable line of your return. 

• Individuals. Schedule 3 (Form 1040), line 6 . . . . . . . . . . . . . . . .

• Corporations. Form 1120, Schedule J, Part I, line 5c . . . . . . . . . . . .

• Estates and trusts. Form 1041, Schedule G, line 2b . . . . . . . . . . . . } . .

38

Form 3800 (2021) 
Form 3800 (2021) Page 3 

Name(s) shown on return Identifying number 

Part III General Business Credits or Eligible Small Business Credits (see instructions) 

Complete a separate Part III for each box checked below. See instructions.

A General Business Credit From a Non-Passive Activity

B General Business Credit From a Passive Activity

C General Business Credit Carryforwards

D General Business Credit Carrybacks

E Reserved

F Reserved

G Eligible Small Business Credit Carryforwards

H Reserved

I If you are filing more than one Part III with box A or B checked, complete and attach first an additional Part III combining amounts from 

all Parts III with box A or B checked. Check here if this is the consolidated Part III . . . . . . . . . . . . . . . . ▶

(a) Description of credit

Note: On any line where the credit is from more than one source, a separate Part III is needed for each 

pass-through entity.

(b) Enter EIN if 

claiming the credit 

from a pass-through 

entity.

(c) Enter the 

appropriate

amount. 

1a Investment (Form 3468, Part II only) (attach Form 3468) . . . . . . . . . 1a 

b Reserved . . . . . . . . . . . . . . . . . . . . . . . . 1b 

c Increasing research activities (Form 6765) . . . . . . . . . . . . . 1c 

d Low-income housing (carryforward only) (see instructions) . . . . . . . . 1d 

e Disabled access (Form 8826)*. . . . . . . . . . . . . . . . . . 1e 

f Renewable electricity, refined coal, and Indian coal production (Form 8835) . . 1f 

g Indian employment (Form 8845) . . . . . . . . . . . . . . . . . 1g 

h Orphan drug (Form 8820) . . . . . . . . . . . . . . . . . . . 1h 

i New markets (Form 8874) . . . . . . . . . . . . . . . . . . . 1i 

j Small employer pension plan startup costs and auto-enrollment (Form 8881) . . 1j 

k Employer-provided child care facilities and services (Form 8882)* . . . . . . 1k 

l Biodiesel and renewable diesel fuels (attach Form 8864) . . . . . . . . . 1l 

m Low sulfur diesel fuel production (Form 8896) . . . . . . . . . . . . 1m 

n Distilled spirits (Form 8906) . . . . . . . . . . . . . . . . . . 1n 

o Nonconventional source fuel (carryforward only) . . . . . . . . . . . 1o 

p Energy efficient home (Form 8908) . . . . . . . . . . . . . . . . 1p 

q Energy efficient appliance (carryforward only) . . . . . . . . . . . . 1q 

r Alternative motor vehicle (Form 8910) . . . . . . . . . . . . . . . 1r 

s Alternative fuel vehicle refueling property (Form 8911) . . . . . . . . . 1s 

t Enhanced oil recovery credit . . . . . . . . . . . . . . . . . . 1t 

u Mine rescue team training (Form 8923) . . . . . . . . . . . . . . 1u 

v Agricultural chemicals security (carryforward only) . . . . . . . . . . . 1v 

w Employer differential wage payments (Form 8932) . . . . . . . . . . . 1w 

x Carbon oxide sequestration (Form 8933) . . . . . . . . . . . . . . 1x 

y Qualified plug-in electric drive motor vehicle (Form 8936) . . . . . . . . 1y 

z Qualified plug-in electric vehicle (carryforward only) . . . . . . . . . . 1z 

aa Employee retention (Form 5884-A) . . . . . . . . . . . . . . . . 1aa 

bb General credits from an electing large partnership (carryforward only) . . . . 1bb 

zz Other. Oil and gas production from marginal wells (Form 8904) and certain other 

credits (see instructions) . . . . . . . . . . . . . . . . . . . 1zz 

2 Add lines 1a through 1zz and enter here and on the applicable line of Part I . . 2 

3 Enter the amount from Form 8844 here and on the applicable line of Part II . . 3 

4a Investment (Form 3468, Part III) (attach Form 3468) . . . . . . . . . . 4a

b Work opportunity (Form 5884) . . . . . . . . . . . . . . . . . 4b

c Biofuel producer (Form 6478) . . . . . . . . . . . . . . . . . 4c

d Low-income housing (Form 8586) . . . . . . . . . . . . . . . . 4d

e Renewable electricity, refined coal, and Indian coal production (Form 8835) . . 4e

f Employer social security and Medicare taxes paid on certain employee tips (Form 8846) 4f

g Qualified railroad track maintenance (Form 8900) . . . . . . . . . . . 4g

h Small employer health insurance premiums (Form 8941) . . . . . . . . . 4h

i Increasing research activities (Form 6765) . . . . . . . . . . . . . 4i

j Employer credit for paid family and medical leave (Form 8994) . . . . . . . 4j

z Other . . . . . . . . . . . . . . . . . . . . . . . . . 4z

5 Add lines 4a through 4z and enter here and on the applicable line of Part II . . 5 

6 Add lines 2, 3, and 5 and enter here and on the applicable line of Part II . . . 6 

* See instructions for limitation on this credit. Form 3800 (2021)