Form 2210 

Department of the Treasury 

Internal Revenue Service 

Underpayment of Estimated Tax by 

Individuals, Estates, and Trusts

▶ Go to www.irs.gov/Form2210 for instructions and the latest information.

▶ Attach to Form 1040, 1040-SR, 1040-NR, or 1041.

OMB No. 1545-0140

2021

Attachment 

Sequence No. 06

Name(s) shown on tax return Identifying number

Do You Have To File Form 2210?

Complete lines 1 through 7 below. Is line 4 or line 7 less than 

$1,000?

Yes

▶ Don’t file Form 2210. You don’t owe a penalty.

No

▼

Complete lines 8 and 9 below. Is line 6 equal to or more than 

line 9?

Yes

▶ You don’t owe a penalty. Don’t file Form 2210 unless 

box E in Part II applies, then file page 1 of Form 2210.

No

▼

You may owe a penalty. Does any box in Part II below apply?

No

▼

Don’t file Form 2210. You aren’t required to figure 

your penalty because the IRS will figure it and send

you a bill for any unpaid amount. If you want to figure 

it, you may use Part III as a worksheet and enter your 

penalty amount on your tax return, but don’t file Form 

2210.

Yes

▶

You must file Form 2210. Does box B, C, or D in Part II 

apply?

No

▼

You aren’t required to figure your penalty because the IRS 

will figure it and send you a bill for any unpaid amount. If you 

want to figure it, you may use Part III as a worksheet and 

enter your penalty amount on your tax return, but file only 

page 1 of Form 2210.

Yes

▶ You must figure your penalty.

Part I Required Annual Payment

1 Enter your 2021 tax after credits from Form 1040, 1040-SR, or 1040-NR, line 22. (See the

instructions if not filing Form 1040.) . . . . . . . . . . . . . . . . . . . . . . 1

2 Other taxes, including self-employment tax and, if applicable, Additional Medicare Tax and/or Net 

Investment Income Tax (see instructions) . . . . . . . . . . . . . . . . . . . . 2 

3 Other payments and refundable credits (see instructions) . . . . . . . . . . . . . . . 3 ( )

4 Current year tax. Combine lines 1, 2, and 3. If less than $1,000, stop; you don’t owe a penalty. 

Don’t file Form 2210 . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 

5 Multiply line 4 by 90% (0.90) . . . . . . . . . . . . . . . 5 

6 Withholding taxes. Don’t include estimated tax payments. See instructions . . . . . . . . 6 

7 Subtract line 6 from line 4. If less than $1,000, stop; you don’t owe a penalty. Don’t file Form 2210 7 

8 Maximum required annual payment based on prior year’s tax (see instructions) . . . . . . . 8 

9 Required annual payment. Enter the smaller of line 5 or line 8 . . . . . . . . . . . . 9 

Next: Is line 9 more than line 6?

No. You don’t owe a penalty. Don’t file Form 2210 unless box E below applies.

Yes. You may owe a penalty, but don’t file Form 2210 unless one or more boxes in Part II below applies.

• If box B, C, or D applies, you must figure your penalty and file Form 2210.

• If box A or E applies (but not B, C, or D), file only page 1 of Form 2210. You aren’t required to figure your penalty; the IRS 

will figure it and send you a bill for any unpaid amount. If you want to figure your penalty, you may use Part III as a worksheet 

and enter your penalty on your tax return, but file only page 1 of Form 2210.

Part II Reasons for Filing. Check applicable boxes. If none apply, don’t file Form 2210.

A You request a waiver (see instructions) of your entire penalty. You must check this box and file page 1 of Form 2210, but you

aren’t required to figure your penalty.

B You request a waiver (see instructions) of part of your penalty. You must figure your penalty and waiver amount and file Form

2210.

C Your income varied during the year and your penalty is reduced or eliminated when figured using the annualized income 

installment method. You must figure the penalty using Schedule Al and file Form 2210.

D Your penalty is lower when figured by treating the federal income tax withheld from your income as paid on the dates it was 

actually withheld, instead of in equal amounts on the payment due dates. You must figure your penalty and file Form 2210.

E You filed or are filing a joint return for either 2020 or 2021, but not for both years, and line 8 above is smaller than line 5

above. You must file page 1 of Form 2210, but you aren’t required to figure your penalty (unless box B, C, or D applies).

For Paperwork Reduction Act Notice, see separate instructions. Cat. No. 11744P Form 2210 (2021) 
Form 2210 (2021) Page 2 

Part III Penalty Computation (See the instructions if you’re filing Form 1040-NR.)

Section A—Figure Your Underpayment

Payment Due Dates

(a) 

4/15/21

(b) 

 6/15/21

(c) 

9/15/21

(d) 

1/15/22

10 Required installments. If box C in Part II applies, 

enter the amounts from Schedule AI, line 27. 

Otherwise, enter 25% (0.25) of line 9, Form 2210, in 

each column. For fiscal year filers, see instructions 10

11 

 

 

 

 

Estimated tax paid and tax withheld (see the 

instructions). For column (a) only, also enter the 

amount from line 11 on line 15, column (a). If line 11 

is equal to or more than line 10 for all payment 

periods, stop here; you don’t owe a penalty. Don’t 

file Form 2210 unless you checked a box in Part II 11

Complete lines 12 through 18 of one column before going to line 12 of the next column.

12 Enter the amount, if any, from line 18 in the previous 

column . . . . . . . . . . . . . . . 12

13 Add lines 11 and 12 . . . . . . . . . . . 13

14 Add the amounts on lines 16 and 17 in the previous 

column . . . . . . . . . . . . . . . 14

15 

 

Subtract line 14 from line 13. If zero or less, enter 

-0-. For column (a) only, enter the amount from line 

11 . . . . . . . . . . . . . . . . . 15

16 If line 15 is zero, subtract line 13 from line 14. 

Otherwise, enter -0- . . . . . . . . . . . 16

17 

 

Underpayment. If line 10 is equal to or more than line 

15, subtract line 15 from line 10. Then go to line 12 of 

the next column. Otherwise, go to line 18 . . . ▶ 17

18 

 

Overpayment. If line 15 is more than line 10, 

subtract line 10 from line 15. Then go to line 12 of 

the next column . . . . . . . . . . . . 18

Section B—Figure the Penalty (Use the Worksheet for Form 2210, Part III, Section B—Figure the Penalty in the instructions.)

19 

 

Penalty. Enter the total penalty from line 14 of the Worksheet for Form 2210, Part III, Section B—Figure 

the Penalty. Also include this amount on Form 1040, 1040-SR, or 1040-NR, line 38; or Form 1041, line 

27. Don’t file Form 2210 unless you checked a box in Part II . . . . . . . . . . . . ▶ 19

Form 2210 (2021) 
Form 2210 (2021) Page 3 

Schedule AI—Annualized Income Installment Method (See the instructions.)

Estates and trusts, don’t use the period ending dates shown to the right. 

Instead, use the following: 2/28/21, 4/30/21, 7/31/21, and 11/30/21.

(a) 

1/1/21–3/31/21

(b) 

1/1/21–5/31/21

(c) 

1/1/21–8/31/21

(d) 

1/1/21–12/31/21

Part I Annualized Income Installments 

1 

 

Enter your adjusted gross income for each period. See 

instructions. (Estates and trusts, enter your taxable 

income without your exemption for each period.) . . 1

2 Annualization amounts. (Estates and trusts, see instructions.) 2 4 2.4 1.5 1

3 Annualized income. Multiply line 1 by line 2 . . . 3

4 

 

If you itemize, enter itemized deductions for the period 

shown in each column. All others, enter -0-, and skip 

to line 7. Exception: Estates and trusts, skip to line 9 . 4

5 Annualization amounts . . . . . . . . . . 5 4 2.4 1.5 1

6 Multiply line 4 by line 5 . . . . . . . . . . 6

7 

 

 

In each column, enter the sum of your standard 

deduction and line 12b from Form 1040 or 1040-SR. 

(Form 1040-NR filers, enter -0-. Exception: Indian 

students and business apprentices, see instructions.) 7

8 Enter the larger of line 6 or line 7 . . . . . . . 8

9 

 

Deduction for qualified business income. Estates and 

trusts: Subtract this amount from the amount on line 3, skip 

line 10, and enter the result on line 11 . . . . . . . 9

10 Add lines 8 and 9 . . . . . . . . . . . . 10

11 Subtract line 10 from line 3 . . . . . . . . 11

12 Form 1040, 1040-SR, or 1040-NR filers, enter -0- in 

each column. (Estates and trusts, see instructions.) 12

13 Subtract line 12 from line 11. If zero or less, enter -0- 13

14 Figure your tax on the amount on line 13. See instructions 14

15 Self-employment tax from line 36 (complete Part II below) 15

16 

 

Enter other taxes for each payment period 

including, if applicable, Additional Medicare Tax 

and/or Net Investment Income Tax. See instructions 16

17 Total tax. Add lines 14, 15, and 16 . . . . . . 17

18 For each period, enter the same type of credits as allowed 

on Form 2210, Part I, lines 1 and 3. See instructions . . 18

19 Subtract line 18 from line 17. If zero or less, enter -0- . 19

20 Applicable percentage . . . . . . . . . . 20 22.5% 45% 67.5% 90%

21 Multiply line 19 by line 20 . . . . . . . . . 21

 

22 Enter the total of the amounts in all previous columns of line 27 22

23 Subtract line 22 from line 21. If zero or less, enter -0- 23

24 Enter 25% (0.25) of line 9 on page 1 of Form 2210 in each column 24

25 Subtract line 27 of the previous column from line 26 of that column 25

26 Add lines 24 and 25 . . . . . . . . . . . 26

27 Enter the smaller of line 23 or line 26 here and on 

Form 2210, Part III, line 10 . . . . . . . . ▶ 27

Complete lines 22–27 of one column before going to line 22 of the next column.

Part II Annualized Self-Employment Tax (Form 1040, 1040-SR, or 1040-NR filers only) 

28 Net earnings from self-employment for the period (see instructions) 28

29 Prorated social security tax limit . . . . . . . 29 $35,700 $59,500 $95,200 $142,800

30 

 

Enter actual wages for the period subject to social security tax 

or the 6.2% portion of the 7.65% railroad retirement (tier 1) tax. 

Exception: If you filed Form 4137 or Form 8919, see instructions 30

31 Subtract line 30 from line 29. If zero or less, enter -0- . 31

32 Annualization amounts . . . . . . . . . . 32 0.496 0.2976 0.186 0.124

33 Multiply line 32 by the smaller of line 28 or line 31 . 33

34 Annualization amounts . . . . . . . . . . 34 0.116 0.0696 0.0435 0.029

35 Multiply line 28 by line 34 . . . . . . . . . 35

36 Add lines 33 and 35. Enter here and on line 15 above ▶ 36

Form 2210 (2021)