https://finance.gov.mp
1040CM
Someone can claim:
You as a dependent Your spouse as a dependent
Spouse itemizes on a separate return or you were a dual-status alien
Your first name and middle initial
Check if amended Return
Attach Form 1040CM-X
Last name
If joint return, spouse’s first name and middle initial
Last name
Contact number
City, town or post office. If you have a foreign address, also complete spaces below. State ZIP code
Foreign country name Foreign province/state/county Foreign postal code
Home address, (number and street). If you have a P.O. box, see instructions. Apt. no.
Single (S)
If you checked the MFS box, enter the name of your spouse. If you checked the HOH or QW box, enter the child’s name if the qualifying
person is a child but not your dependent.
Married filing separately (MFS)
(1) First name Last name
Head of household (HOH)
Qualifying widow(er) (QW)
(2) Social security
number
(3) Relationship
to you
(4) if qualifies for (see instructions):
Child tax credit Credit for other dependents
(A)
INCOME WITHOUT
INCOME WITHIN
(C)
TOTAL INCOME
Wages, salaries, tips, etc. Attach Form(s) W-2 and W-2CM . . .
Tax-exempt interest b
Taxable interest
b Ordinary dividends
b Taxable amount
b Taxable amount
b Taxable amount
Qualified dividends .
IRA distributions .
Pensions and annuities
Social security benefits
Capital gain or (loss). Attach Schedule D if required. If not required, check here
Allocable percentage. See supplemental instructions . . . .
Add lines 1, 2b, 3b, 4b, 5b, 6b, 7 and 8 in each column. This is your total income
Qualified business income deduction. Attach Form 8995 or Form 8995-A. . . . . . . . .
Add lines 12c and 13 . . . . . . . . . . . . . . . . . . . . . .
Taxable income. Subtract line 14 from line 11. If zero or less, enter -0- . . . . . . . . .
Adjustments to income from Schedule 1CM, line 26 . . . . . . . . . . . . . .
Add lines 12a and 12b. . . . . . . . . . . . . . . . . . . . . .
Charitable contributions if you take the standard deduction (see instructions)
Other income from Schedule 1CM, line 10.
See supplemental instructions
% 100%
Source of Income
Filing Status
Check only
one box.
Standard
Deduction
Single or
married filing
separately
$12,550
Married filing
jointly or
Qualifying
Widow(er),
$25,100
Head of
household,
$18,800
If you checked
any box under
standard
deduction,
see
instructions
Standard
Deduction
for:---
Dependents (see instructions)
:
Northern Marianas Territorial Income Tax Return
Spouse’s social security number
Your social security number
DLN - Do not write or staple in this area
Married filing jointly (MFJ)
2021
1
4a
5a
6a
7
9a
9b
10
8
11
2a
3a
4a
5a
6a
1
2b
3b
4b
5b
6b
7
8
9a
9b
(B)
Department of Finance - Division of Revenue and Taxation
Commonwealth of the Northern Mariana Islands
10
11
12c
13
14
15
Age/Blindness You:
Were born before January 2, 1957 Are blind Spouse: Was born before January 2, 1957 Is blind
Standard deduction or itemized deductions (from Schedule A) . . .
( ) _____ - _______
For Disclosure, Privacy Act, and Paperwork Reduction Act Notice, see separate instructions.
Attach
Schedule B
if required
Form
If more
than four
dependents,
see
instructions
and check
here
Subtract line 10 from line 9a. This is your adjusted gross income . . . . . . . . . .
12a
12b
At any time during 2021, did you receive, sell, exchange, or otherwise dispose of any financial interest in any virtual currency? Yes No
2a
3a
12a
b
c
13
14
15
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Add lines 22 and 23. This is your total tax . . . . . . . . . . . . .
Federal income tax withheld from:
Form 1040CM (2021) Page 2
25d
25e
26
32
33
34
35
25a
25b
25c
Form(s) W-2 . . . . . . . . . . . .
Form(s) 1099 . . . . . . . . . . .
Other forms (see instructions) . . . . . . .
Add lines 25a to 25c . . . . . . . . . . . . . . . . . . .
NMTIT withheld from forms W-2CM and 1099 (within CNMI) . . . . . . . .
Earned income credit (EIC) . . . . . . . . .
American opportunity credit from Form 8863, line 8 . .
Recovery rebate credit. See supplemental instructions. .
If line 33 is more than line 24, subtract line 24 from line 33. This is the amount you overpaid.
See supplemental instructions . . . . . . . . . . . . . . . .
Amount from Schedule 3, line 15
. . . . . . .
Add lines 25d, 25e, 26, and 32. These are your total payments . . . . . . . .
If line 33 is less than line 24, subtract line 33 from line 24. See Part A, line 3 of page 5 . .
Add lines 27a, 28 through 31. These are your total other payments and refundable credits
27a
28
29
30
31
For Disclosure, Privacy Act, and Paperwork Reduction Act Notice, see separate instructions.
Refund
Amount
you owe
Amount from Schedule 3, line 8 . . . . . . . . . . . . . . . . .
Add lines 19 and 20 . . . . . . . . . . . . . . . . . . . .
Subtract line 21 from line 18. If zero or less, enter -0- . . . . . . . . . . .
Other taxes, from Schedule 2, line 21. See supplemental instructions . . . . . . .
Amount from Schedule 2, line 3. . . . . . . . . . . . . . . . .
Add lines 16 and 17 . . . . . . . . . . . . . . . . . . . .
Nonrefundable child tax credit or credit for other dependents from Schedule 8812. . . .
Tax (see inst.) Check if any from Form(s): 1 8814 2 4972 3 _____________
If you have
a qualifying
child, attach
Schedule
EIC.
16
17
18
19
20
21
22
23
24
Check here if you were born after January 1, 1998, and
before January 2, 2004, and you satify all the other
requirements for taxpayers who are at least age 18,
to claim the EIC. See instructions . .
Nontaxable combat pay election
27b
27c
Prior year (2019) earned income
Refundable child tax credit or additional child tax credit
from Schedule 8812 . . . . . . . . . . .
2021 estimated tax payments and amount applied from 2020 return . . . . . .
16
17
18
19
20
21
22
23
24
25
a
b
c
d
e
26
27a
b
c
28
29
30
31
32
33
34
35
(Please type or print in ink)
Part A Annual Wage and Salary Tax Computation
Part B Earnings Tax Computation
Part C
Combined Wage and Salary and Earnings Tax Due or (Overpaid)
Wage and Salary and Earnings Tax
Table
A. You B. Spouse
1
2
3
4
5
6
CNMI wages and salaries from Form(s) W-2 and W-2CM . . . . . .
Attach
Form(s)
W-2
and
W-2CM
here.
Also
attach
Forms
W-2G,
and
1099-R
if tax
was
withheld
1
2
3
4
5
6
1
2
3
4
5a
5b
5c
6
7
8
1
2
3
Other CNMI wages and salaries not included in line 1 . . . . . . .
Total CNMI wages and salaries (add lines 1 and 2) . . . . . . .
Amount on line 3 not subject to the wage and salary tax (attach Schedule WSD)
CNMI wages and salaries (subtract line 4 from line 3) . . . . . . .
Annual wage and salary tax. Multiply the amount on line 5 above by the tax
rate from the tax table below. Enter the result here . . . . . . . .
1
2
3
4
5a
5b
5c
6
7
8
Gain from the sale of personal property . . . . . . . . . . .
One half of the gain from the sale of real property . . . . . . . .
One half of the net income from leasing of real property. . . . . . .
Interest, dividends, rents, royalties . . . . . . . . . . . .
Page 3
Gross winnings from any gaming, lottery, raffle, etc.. . . . . . . .
Less amount excludable (attach Form(s) W-2G and/or W-2GCM) . . . .
Balance (subtract line 5b from line 5a) . . . . . . . . . . .
Other income subject to the NMTIT, unless excludable under the earnings tax .
Total income subject to the earnings tax (add lines 1 thru 4, line 5c, and 6) . . .
Annual earnings tax. Multiply the amount on line 7 above by the tax rate from
the tax table below. Enter the result here . . . . . . . . . . .
1
2
3
4
5
6
Wage and salary tax and earnings tax for you and your spouse . . . . .
4
5
6
Education tax credit for you and your spouse (attach Schedule ETC) . . .
Combined wage and salary tax and earnings tax. Add line 3, columns A and B . . . . . . . .
Enter total wage and salary tax and earnings tax withheld and amount paid in 2021 . . . . . . .
Combined wage and salary tax and earnings tax due or (overpayment). Subtract line 5 from line 4 . . .
A. You B. Spouse
A. You B. Spouse
Combined
Your social security number
Spouse’s social security number
ANNUAL WAGE AND SALARY AND
EARNINGS TAX RETURN
Form NMI-A
Tax after education tax credit. Subtract line 2 from line 1. If line 2 is greater, enter zero
Your first name and initial Last name
If a joint return, spouse’s first name and initial Last name
2021
Department of Finance
Division of Revenue and Taxation
Commonwealth of the Northern Mariana Islands
From
To
Rate
(a)
0
1,000.00
0
(b)
1,000.01
5,000.00
2.0%
(c)
5,000.01
7,000.00
3.0%
(d)
7,000.01
15,000.00
4.0%
(e)
15,000.01
22,000.00
5.0%
(f)
22,000.01
30,000.00
6.0%
(g)
30,000.01
40,000.00
7.0%
(h)
40,000.01
50,000.00
8.0%
(i)
50,000.01
And over
9.0%
Your social security number
Schedule OS-3405A
Department of Finance
Division of Revenue and Taxation
Commonwealth of the Northern Mariana Islands
Part A Non-refundable Credits
Part B Rebate Computation
Part C Chapter 7 Tax Due or (Overpaid)
Deadline: APRIL 18, 2022 Page 4
1 Wage and salary tax and earnings tax. Enter the amount from line 4, Part C of Form NMI-A . . . 1
2 Business gross revenue tax
a a
b
b
c c
3 User fees paid 4 CMC §1422 . . . . . . . . . . .
3
4 Fees and taxes imposed under 4 CMC § 2202(e). . . . . . .
4
5 Total non-refundable credits. Add lines 1, 2a, 2b, 2c, 3 and 4 . . . . . . . . . . . 5
6
7
Total NMTIT on all source. Enter amount from line 24 of Form 1040CM . . . . . . .
Total NMTIT payments made. Enter amount from line 33 of Form 1040CM . . . . . . .
Tax on sources within the CNMI. Subtract the sum of lines 8a and 8b from line 6 . . . . .
Tax on sources outside the CNMI. Multiply line 6 above by line 9b, Column A of Form 1040CM .
Additional CTC Tax. Enter the amount from line 19 of Schedule 2 . . . . . . . . .
Rebate base. Subtract line 5 from line 9. If negative, enter zero . . . . . . . . . .
Total CNMI and non-CNMI source tax after nonrefundable credits. Add lines 8a, 8b and line 10 .
NMTIT overpayment. Subtract the sum of lines 8a and 10 from line 7. If negative, enter zero . .
NMTIT underpayment. Subtract line 7 from the sum of lines 8a and 10. If negative, enter zero . .
Rebate offset amount. Use the Rebate Table below to calculate this amount based on line 10 . .
NMTIT overpayment after rebate offset. If the sum of lines 12 and 14 is greater than line 13,
subtract line 13 from the sum of lines 12 and 14. Otherwise, enter zero . . . . . . . .
Name Tax ID No.
Application for Non-refundable Credit and Rebate
on CNMI Source Income Tax
Spouse’s social security number
Your first name and initial Last name
If a joint return, spouse’s first name and initial Last name
2021
Estimated tax penalty. Check if Form 2210 is attached . . . . . . . . . . .
REBATE TABLE
If rebate base (line 10) is The rebate oset amount is Example
Not over $20,000 90% of the rebate base Rebate base x 90%
$20,001 $100,000
$18,000 plus 70% of the rebate base over $20,000 Rebate base – 20,000 x 70% +
18,000
Over $100,000
$74,000 plus 50% of the rebate base over $100,000 Rebate base
100,000 x 50% +
74,000
Enter the sum of lines 27a, 28, 29, 30, of Form 1040CM, and lines 13b, 13g, and 13h, of Schedule 3
NMTIT underpayment after rebate offset. If the sum of lines 12 and 14 is less than line 13,
subtract the sum of lines 12 and 14 from line 13. Otherwise, enter zero . . . . . . . .
NMTIT overpayment. If line 15 is greater than line 17, subtract line 17 from line 15. Otherwise, enter zero
NMTIT underpayment. If line 15 is greater than zero, subtract line 15 from line 17. If the result is
less than zero, enter zero. If line 15 is not greater than zero, add lines 16 and 17 . . . . .
Subtract line 21 from line 18 . . . . . . . . . . . . . . . . . . .
NMTIT overpayment. If line 22 is greater than line 8b, subtract line 8b from line 22. Otherwise, enter zero.
Additional child tax balance due. If line 8b is greater line 22, subtract line 22 from line 8b. Otherwise, enter zero
NMTIT underpayment. Enter the amount from line 19 . . . . . . . . . . . .
Total NMTIT underpayment or (overpayment). Subtract line 24 from the sum of lines 25 and 26 .
Tax on overpayment of credit. If line 20 is greater than zero, enter the lesser of line 18 or line 20 .
Subtract the sum of lines 10, 13b, 13g, and 13h from line 15 of Schedule 3 . . . . . . .
16
17
18
19
20
21
22
23
24
25
26
27
9
8a
8b
10
11
12
13
14
15
6
7
8a
8b
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Deadline: April 18, 2022
Page 5
Part C
Additional Child Tax Credit (ACTC) If you are not claiming this credit, enter the amount from line 4 Part B on line 4 below.
If you are not claiming this credit, enter the amount from line 4 Part C on line 4 below.
If you are not claiming this credit, enter the amount from line 4 Part D on line 4 below.
If you are not claiming this credit, enter the amount from line 4 Part E on line 4 below.
nt from line 4 Part E on line 4 below.
Enter the amount from line 28 of Form 1040CM, page 2 . . . . . . . . . . . . . . . .
ACTC refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . . .
Part D
Earned Income Tax Credit (EITC)
EIC refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . . .
Enter the lesser of line 1 or line 4, Part B . . . . . . . . . . . . . . . . . . . .
Balance after offset of the EITC. Subtract line 2 from line 4, Part C . . . . . . . . . . . . .
Balance after offset of the ACTC. Subtract line 2 from line 4, Part B . . . . . . . . . . . . .
Enter the lesser of line 1 or line 4, Part C . . . . . . . . . . . . . . . . . . . .
Enter the amount from line 27a of Form 1040CM, page 2. . . . . . . . . . . . . . . .
Part A
Combined Due or (Overpaid) / Refund
1a
1b
2
3
4
5
1
2
3
4
Amount available for refund. Add line 3 and line 4 . . . . . . . . . . . . . . . . .
Total NMTIT amount due or (overpayment). Enter amount from line 27 of Schedule OS-3405A . . . . .
Additional child tax balance due. Enter amount from line 23 of Schedule 3405A . . . . . . . . .
Combined additional child tax balance due, wage and salary and earnings tax, and NMTIT due or (overpayment).
Add lines 1a, 1b, and 2 above. If the amount is more than zero, skip lines 4 and 5 . . . . . . . .
Amount of line 3 (overpayment) you want applied to your 2022 estimated tax . . . . . . . . . .
Total wage and salary and earnings tax due or (overpayment). Enter amount from line 6, Part C of Form NMI-A . . .
Summary of Taxes Due or Overpayment
1a
1b
2
3
4
5
Part B
Recovery Rebate Credit (RRC)
If you are not claiming this credit, and the amount on line 3, Part A above is greater than
zero, enter the amount from line 3, Part A on line 4 below.
1
2
3
4
1
2
3
4
1
2
3
4
RRC refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . . .
Balance after offset of the RRC. Subtract line 2 from line 3, Part A . . . . . . . . . . . . .
If the amount on line 3, Part A is greater than zero, enter the lesser of line 1 or the amount on line 3, Part A. If
line 3, Part A is less than zero, enter zero . . . . . . . . . . . . . . . . . . .
Enter the amount from line 30 of Form 1040CM, page 2 . . . . . . . . . . . . . . . .
1
2
3
4
1
2
3
4
AOTC refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . .
Balance after offset of the AOTC. Subtract line 2 from line 4, Part D . . . . . . . . . . . .
Enter the lesser of line 1 or line 4, Part D
. . . . . . . . . . . . . . . . .
Enter the amount from line 29 of Form 1040CM, page 2. . . . . . . . . . . . .
Part E
American Opportunity Tax Credit (AOTC)
1
2
3
4
1
2
3
4
CDCC refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . .
Balance after offset of the CDCC. Subtract line 2 from line 4, Part E . . . . . . . . . . . .
Enter the lesser of line 1 or line 4, Part E.
. . . . . . . . . . . . . . . . .
Enter the amount from line 13g of Schedule 3 . . . . . . . . . . . . . . .
Part F
Child and Dependent Care Credit (CDCC)
1
1
2
3
4
2
3
4
Deadline: April 18, 2022
Page 6
Summary of Taxes Due or Overpayment continued
SFLC Refund. Subtract line 2 from line 1 . . . . . . . . . . . . . . . . . . .
Balance after offset of the SFLC. Subtract line 2 from line 4, Part F . . . . . . . . . . . .
Enter the lesser of line 1 or line 4, Part F . . . . . . . . . . . . . . . . . . .
Enter the sum of lines 13b and 13h from Schedule 3. . . . . . . . . . . . . . . . .
Part G
Sick and Family Leave Credit (SFLC)
1
2
3
4
1
2
3
4
Part
H
Balance Due
Enter amount from line 4, Part G above. PAY THIS AMOUNT. . . . . . . . . . . . . . .
1
1
Check if:
3rd Party Designee
Self-employed
Your signature Date Your occupation
Preparer’s name
Preparer’s signature PTIN Firm’s EIN
Firm’s name
Firm’s address
Spouse signature. If a joint return, both must sign Date
Phone no.
Spouse’s occupation
Under penalties of perjury, I declare that I have examined this return and accompanying schedules and statements, and to the best of my knowledge
and belief, they are true, correct and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any
knowledge.
Paid
Preparers
See Schedule 6
Joint return?
See instructions
Keep a copy for
your records
Sign
Here
If you want your refund deposited directly to your bank, please provide your checking or savings account information below.
IMPORTANT! To ensure the accuracy of your account number, please attach a void check or a copy of your most current
checking or savings bank statement.
1c Routing number
Part
I
Direct Deposit
1d Account number
1b Account type
1a
Savings Checking
If you are not claiming this credit, enter the amount from line 4 Part F on line 4 below.
2021 Instructions for Form NMI-A
Annual Wage and Salary and Earnings Tax Return
Part A. Annual Wage and Salary Tax Computation. If a
joint return, enter spouse’s information in
column B.
1. Enter total wages and salaries received for work
performed in the CNMI per Form(s) W-2 and/or W-
2CM box 16.
2. Enter other wages and salaries received for work
performed in the CNMI if W-2 and/or W-2CM
were not issued or received. i.e., tips and
freelance income, etc.
3. Add lines 1 and 2 under each column.
4. Enter the amount from line 7, Part A, of 1040
Schedule WSD on line 4, column A. If filing jointly
and your spouse has a deduction, enter the amount
from line 7, Part B, on line 4, column B. Attach 1040
Schedule WSD. If 1040 Schedule WSD is not
attached, the deduction will be disallowed.
Caution: Amounts excluded on this line may be
subject to the earnings tax if such item of income
is sourced within the CNMI and subject to the
NMTIT as provided in 4CMC §1202(b)(6).
5. Subtract line 4 from line 3 under each column.
This is your total CNMI wages and salaries subject
to the wage and salary tax.
6. Compute the wage and salary tax on the amount
reported on line 5 for each column using the
wage and salary and earnings tax table below or on
page 3 of form 1040CM.
Part B. Earnings Tax Computation. If a joint
return,
enter spouse’s information in column
B.
1. Enter the amount of any gain from the sale of
personal property (not business property).
2. Enter one-half (1/2) of the amount of any gain
from the sale of real property located in the
CNMI that was not used in the course of carrying on
a business. Exclude any gain from the sale of real
property sold to the CNMI Government.
3. Enter one-half (1/2) of the net income from leasing
of real property located in the CNMI including the
assignment of any lease that was not in the course
of carrying on a business.
4. Enter the total amount of interest, dividends, and
similar income if the aggregate exceeds $2,000.
Otherwise, enter zero.
5a. Enter the gross winnings from any gaming,
lottery, raffle or other gambling activities in the
CNMI.
5b. Enter the amount of poker machine jackpot
winnings included on line 5a if jackpot tax was
withheld. Attach a copy of Forms W-2G/W-
2GCM.
5c. Subtract line 5b from line 5a.
6. Enter other income subject to the NMTIT, unless
excludable under 4 CMC §1202.
7. This is your total CNMI earnings subject to the
earnings tax. Add lines 1 through 4, 5c, and 6.
8. Compute your earnings tax on the amount
reported on line 7 for each column using the
wage and salary and earnings tax table below or on
page 3 of form 1040CM.
Part C. Combined wage and salary and
e
arnings tax due
or overpayment
1. Enter in column A, the total of Part A line 6,
column A, and Part B line 8, column A. Also, enter
in column B the total of Part A line 6, column B
and Part B line 8, column B.
2. Enter in column A, the amount from line 8, Part A, of
Schedule ETC (1040). If filing jointly and your spouse
has ETC, enter in column B, the amount from line 8,
Part B of Schedule ETC (1040). Attach 1040 Schedule
ETC.
3. If line 2 is greater than line 1, enter zero.
Otherwise, subtract line 2 from line 1. This is the
wage and salary tax and earnings tax combined after
the education tax credit.
4. Enter the total amount of Columns A and B, line 3.
This is your combined wage and salary tax and
earnings tax.
5. Enter the total wage and salary tax and earnings tax
withheld and paid in 2021. If you received form W-
2GCM/W-2G and had earnings (chapter 2) tax
withheld, include that amount on this line. The wage
and salary (chapter 2) tax is the state income tax
amount in box 17 of the W-2CM. Include earnings
tax withheld on your Form 1823, if any.
6. Combined wage and salary tax and earnings tax due or
overpaid. Subtract line 5 from line 4. If less than zero,
enclose the amount in parenthesis () to indicate an
overpayment.
Wage and Salary and Earnings Tax Table
From
To
Rate
(a)
0
1,000.00
0
(b)
1,000.01
5,000.00
2.0%
(c)
5,000.01
7,000.00
3.0%
(d)
7,000.01
15,000.00
4.0%
(e)
15,000.01
22,000.00
5.0%
(f)
22,000.01
30,000.00
6.0%
(g)
30,000.01
40,000.00
7.0%
(h)
40,000.01
50,000.00
8.0%
(i)
50,000.01
And over
9.0%
2021 Instructions for Schedule OS-3405A (1040CM)
Application for Nonrefundable Credit and Rebate
on CNMI Source Income Tax
Part A. Non-refundable Credit.
1. Wage and salary tax and Earnings tax. Enter amount
from line 4, Part C, of page 3 of the wage and salary
and earnings tax return.
2. Enter the business gross revenue tax from which this
return is associated with. List separately the name of
the business, tax ID number, and the amount of
business gross revenue tax paid by the business.
3. Enter the tax ID number and User fees paid pursuant
to 4 CMC §1422.
4. Enter the tax ID number and the amount of fees paid
pursuant to 4 CMC §2202(e), in lieu of the tax
imposed under 4 CMC § 1301.
5. Total non-refundable credit. Add lines 1, 2a, 2b, 2c, 3
and 4.
Part B. Tax after Non-refundable credit and Rebate
Computation.
6. Total NMTIT on all source. Enter the amount from
line 24 of Form 1040CM, on page 2.
7. Total NMTIT payments made. Enter the amount
from line 33 of Form 1040CM, on page 2.
8a. Tax on sources outside the CNMI. Multiply line 6
above by the percentage on line 9b, Column A of
Form 1040CM, on page 1.
8b. Enter the amount from line 19 of Schedule 2.
9. Tax on sources within the CNMI. Subtract line 8a and
8b from line 6.
10. Rebate base. Subtract line 5 from line 9. If the result
is a negative number, enter zero.
11. Total CNMI and non-CNMI source tax after non-
refundable credits. Add lines 8a, 8b and line 10.
12. NMTIT overpayment. Subtract the sum of lines 8a
and 10 from line 7. If the result is a negative
number, enter zero.
13. NMTIT underpayment. Subtract line 7 from the sum
of lines 8a and 10. If the result is a negative number,
enter zero.
14. Rebate offset amount. Use the rebate base on line
10 to calculate the amount to enter on this line using
the rebate table on page 4.
15. NMTIT overpayment after rebate offset. If the sum
of lines 12 and 14 is greater than line 13, subtract
line 13 from the sum of lines 12 and 14. Otherwise,
enter zero.
16. NMTIT underpayment after rebate offset. If the sum
of lines 12 and 14 is less than line 13, subtract the
sum of lines 12 and 14 from line 13. Otherwise,
enter zero.
17. Enter the sum of lines 27a, 28, 29, and 30 of Form
1040CM, and lines 13b, 13g, and 13h, of Schedule 3.
18. NMTIT overpayment. If line 15 is greater than line
17, subtract line 17 from line 15. Otherwise, enter
zero.
19. NMTIT underpayment. If line 15 is greater than zero,
subtract line 15 from line 17. If the result is less than
zero, enter zero. If line 15 is not greater than zero,
add lines 16 and 17.
20. Subtract the sum of lines 10, 13b, 13g, and 13h from
line 15 of Schedule 3.
21. Tax on overpayment of credit. If line 20 is greater
than zero, enter the lesser of line 18 or line 20.
22. Subtract line 21 from line 18.
Part C. Chapter 7 Tax Due or (Overpaid)
23. Additional child tax balance due. If line 8b is greater
than line 22, subtract line 22 from line 8b.
Otherwise, enter zero.
24. NMTIT overpayment. If line 22 is greater than line
8b, subtract line 8b from line 22. Otherwise, enter
zero.
25. NMTIT underpayment. Enter the amount from line
19.
26. If Form 2210 is completed and attached, check the
box provided on this line. If you want the CNMI
Division of Revenue and Taxation to compute this
penalty for you, write “Revtax” on the dotted line on
line 26. The Division of Revenue and Taxation will
adjust your return accordingly or bill you later for
this amount.
27. Total NMTIT liability or (overpayment). Subtract line
24 from the sum of lines 25 and 26.
If filing by mail, please send to:
Saipan Central Office Rota District Office Tinian District Office
Division of Revenue and Taxation Division of Revenue and Taxation Division of Revenue and Taxation
P.O. Box 5234 CHRB P.O. Box 1406 P.O. Box 449
Saipan, MP 96950 Rota, MP 96951 Tinian, MP 96952
Filing deadline April 18, 2022
Use in conjunction with the 2021 Internal
Revenue
Service (IRS) Form 1040 instructions
Income
Additional Child Tax Credit (Schedule
8812)
Education Credits - American Opportunity &
Lifetime Learning Credits (Form 8863)
Earned Income Credit (EIC)
Recovery Rebate Credit
Child and Dependent Care Expenses (Form
2441)
Credits for Sick Leave and Family Leave for
Certain Self-Employed Individuals (Form
7202)
___________________________________________________
Lines 1 through 7
Sourcing Rules. The rules for the determination of source
of income are established in the Northern Mariana
Territorial Income Tax Code (NMTIT") sections 861
through 865 and associated U.S. Treasury regulations.
Taxpayers and professionals should consult these statutes
and regulations for detailed guidance on determining
sources of income. You must allocate the income you are
reporting on these lines between income without and
within the Commonwealth based on their sources. Enter
your figure in the appropriate columns.
Line 8
Use the CNMI Schedule 1CM instead of the U.S. version.
Schedule 1CM provides the income source allocation.
Enter the amounts from line 10 of Schedule 1CM in the
respective columns.
Line 9a
Add amounts from lines 1 through 8 in each column. Enter
the total in their respective column.
Line 9b
Divide line 9a, column A by line 9a, column C. If the
percentage is zero or less, enter zero. If the percentage is
more than 100, enter 100.
Example below
Line
Column A
Column B
Column C
9a
250.00
Not
applicable
1,000.00
Step 1. 250.00 [col A] /1,000.00 [col C] = 0.25
Step 2. 0.25 x 100 = 25; enter 25.0000 (25%) on line 9b,
column A
Line 10
Enter the amount from line 26 of Schedule 1CM.
Line 23
Caution: Do not include lines 4, 5, 6, 7, 8, 9, 13, and 17m
from Part II of Schedule 2. These are reported to the
Internal Revenue Service (IRS).
Line 25a through 25c
Enter the total Federal Income Tax withheld (from Form(s)
W-2 and/or Form(s) 1099 from outside source only, not
from the CNMI). Do not include these amounts on line 25e.
Line 25e
Enter the total NMTIT withheld (chapter 7 tax from
Form(s) W-2CM and/or Form(s) 1099 from within the
CNMI only). Do not include these amounts on lines 25a
through 25c.
Line 27a
Refer to IRS 1040 (and 1040-SR) instructions.
Line 30
Recovery Rebate Credit Use the NMI Recovery Rebate
Credit Worksheet on the last page to figure the credit.
Refer to the 2021 IRS 1040 and 1040-SR instructions for
definitions and other information needed to fill out the
worksheet.
Line 31
Caution: Do not include lines 11 and 12 from Part II of
Schedule 3. These are reported to the Internal Revenue
Service (IRS).
Lines 34
The amount overpaid on this line may be subject to an
adjustment if there is an allowable non- refundable
credit and/or rebate as computed on Schedule OS-3405A,
Part C, line 21.
Summary of Taxes Due or (Overpayment)
PART A. Combined Due or (Overpayment)
1a. Additional child tax balance due. Enter amount from
line 23 of Schedule OS-3405A.
1b. NMTIT amount due or (overpayment). Enter the
amount from line 27 of Schedule OS-3405A.
Supplemental Instructions for Form 1040CM 2021
______________________________________________________________________________________________________________________
2. Total wage and salary and earnings tax due or
(overpayment). Enter the amount from line 6, Part C, of
Form NMI-A (Form 1040CM).
3. Combined additional child tax, NMTIT due or
(overpayment), and wage and salary and earnings tax.
Add lines 1a, 1b, and 2. If the result is less than zero,
enclose the amount in parenthesis. If the amount is more
than zero, skip lines 4 and 5.
If the amount on line 3 is greater than zero, this is the
amount you owe. Pay this amount unless you are
claiming any of the refundable credits in Parts B through
Part G.
4. Enter the overpayment amount on line 3 you want
applied to your 2022 estimated tax. This amount cannot
be greater than the (overpayment) available on line 3,
Part A.
5. Add line 3 and line 4. This is your refund.
Part B. Recovery Rebate Credit (RRC). See the
2021 NMI Recovery Rebate Credit Worksheet on this
instruction.
If you are not claiming this credit and the amount on line 3,
Part A above is greater than zero, enter the amount from
line 3, Part A on line 4 below.
1. Enter the amount from line 30 of Form 1040CM,
page 2.
2. If the amount on line 3, Part A is greater than zero,
enter the lesser of line 1 or the amount on line 3, Part A. If
line 3, Part A is less than zero, enter zero.
3. Subtract line 2 from line 1. This is your recovery
rebate credit refund.
4. Balance after offset of the recovery rebate credit
refund. Subtract line 2 from line 3, Part A.
Part C. Additional Child Tax Credit (ACTC).
If you are not claiming this credit, enter the amount from line
4 Part B on line 4 below.
1. Enter the amount from line 28 of Form 1040CM, page 2.
2. Enter the lesser of line 1 or line 4, Part B.
3. Subtract line 2 from line 1. This is your additional child
tax credit refund.
4. Balance after offset of the additional child tax credit.
Subtract line 2 from line 4, Part B.
Part D. Earned Income Tax Credit (EITC).
If you are not claiming this credit, enter the amount from line
4 Part C on line 4 below.
1. Enter the amount from line 27a of Form 1040CM, page
2.
2. Enter the lesser of line 1 or line 4, Part C.
3. Subtract line 2 from line 1. This is your Earned Income
Tax Credit refund.
4. Balance after offset of the earned income tax credit.
Subtract line 2 from line 4, Part C.
Part E. American Opportunity
Tax Credit (AOTC).
If you are not claiming this credit, enter the amount from
line 4 Part D on line 4 below.
1. Enter the amount from line 29 of Form 1040CM, page
2.
2. Enter the lesser of line 1 or line 4, Part D.
3. Subtract line 2 from line 1. This is your American
opportunity tax credit refund.
4. Balance after offset of the American opportunity tax
credit. Subtract line 2 from line 4, Part D.
Part F. Child and Dependent Care Credit.
If you are not claiming this credit, enter the amount from
line 4 Part E on line 4 below.
1. Enter the amount from line 13g, of Schedule 3.
2. Enter the lesser of line 1 or line 4, Part E.
3. Subtract line 2 from line 1. This is your child and
dependent care credit refund.
4. Balance after offset of the child and dependent care
credit. Subtract line 2 from line 4, Part E.
Part G. Sick and Family Leave Credit.
If you are not claiming this credit, enter the amount
from line 4 Part F on line 4 below.
1. Enter the amount from line 13b and 13h, from
Schedule 3.
2. Enter the lesser of line 1 or line 4, Part F.
3. Subtract line 2 from line 1. This is your sick and family
leave credit refund.
4. Balance after offset of the sick and family leave credit.
Subtract line 2 from line 4, Part F.
Part H. Balance Due
1. Enter the amount from line 4, Part G. Pay this amount.
Part I. Direct Deposit on Checking or Savings
Account. Simple.Safe.Secure.
If you want your refund deposited directly
to your bank account, please provide your
checking or savings account information.
Attach a copy of your void check.
Why Use Direct Deposit?
You get your refund faster by direct deposit than
you do by check.
Payment is more secure. There is no check that
can get lost or stolen.
It is more convenient. You don’t have to make a
trip to the bank to deposit your check.
It saves tax dollars. It costs the government less
to refund by direct deposit.
Line 1b. Account type
Checkmark the box corresponding to the type of account
you entered on line 1c. For example, if your account
number is a savings account, checkmark the box for the
savings account. Check only one box.
Line 1c. Routing Number
The routing number must be nine digits. Enter the 9-digit
routing number from the first set of numbers on the lower
left corner of your check.
Line 1d. Checking or Savings Account Number
Enter the account number from your bank. This number is
private and unique to your bank account. You’ll find it only
on your checking or savings statement.
For example. If your checking account number is 0017-
123456, you must enter it on line 1d as shown below. Omit
the dash. Enter only alphanumeric characters.
0
0
1
7
1
2
3
4
5
6
Reasons Your Direct Deposit Request Will Be Rejected
If any of the following apply, your direct deposit request
may be rejected by your financial institution and the CNMI
Treasury will issue a check to you:
A joint return refund is deposited to a non-joint
checking or savings account.
The name(s) on your account doesn’t match the
name(s) on the refund.
You have given an invalid account number.
The Division of Revenue and Taxation isn’t
responsible for a lost refund if you enter the wrong
account information. Check with your financial
institution to get the correct routing and account numbers.
2021 NMI Recovery Rebate Credit Worksheet—Line 30 of Form 1040CM
See the 2021 IRS 1040 instructions for line 30 to find out if you can take this credit and for definitions and other
information needed to fill out this worksheet.
If you received Notice CNMI EIP2/3-2021 from the Northern Mariana Islands. Use this document for line 13a.
If you received Notice 1444-C, or any of the four U.S. Territories, including the U.S. Virgin Islands,
American Samoa, Guam, or Puerto Rico, have them available. Use that document for line 13b.
Don’t include on line 13a or 13b any amount you received but later returned to the issuer.
Before you begin:
1. Can you be claimed as a dependent on another person's 2021 return? If filing a joint return, go to line 2.
No.
Go to line 2.
Yes.
STOP
You can't take the credit. Don’t complete the rest of this
worksheet and don’t enter any amount on line 30.
2. Does your 2021 return include a valid social security number that was issued on or before the due date of your 2021 return
(including extensions) for you and, if filing a joint return, your spouse?
Yes.
Go to line 6.
No.
If you are filing a joint return, go to line 3.
If you aren't filing a joint return, to to line 5.
3. Was at least one of you a member of the U.S. Armed Forces at any time during 2021, and does at least one of you
have a valid social security number that was issued on or before the due date of your 2021 return (including extensions)?
Yes.
Your credit is not limited. Go to line 6.
No. Go to line 4.
4. Does one of you have a valid social security number that was issued on or before the due date of your 2021 return
(including extensions)?
Yes.
Your credit is limited. Go to line 6.
No.
Go to line 5.
5. Do you have any dependents listed in the Dependents section on page 1 of Form 1040CM for whom you entered a social
security number that was issued on or before the due date of your 2021 return (including extensions) or an adoption
taxpayer identification number?
6.
6.
7.
7.
8.
8.
9.
Multiply $1,400 by the number of dependents listed in the Dependents section on page 1 of Form 1040CM for
whom you entered a social security number that was issued on or before the due date of your 2021 return
(including extensions) or an adoption taxpayer identification number
. . . . . . . . . . . . . . . . . . . . . . . .
Add lines 6 and 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Is the amount on line 11 of Form 1040CM more than the amount shown below for your filing status?
9.
10.
10.
11.
11.
Single or Marrie filing separately$75,000
Married filing jointly or qualifying widow(er)$150,000
Head of household$112,500
12.
No.
Subtract line 9 from the amount
shown above you filing status
. .
13a.
Yes.
You can’t take the credit. Dont complete the rest of
this worksheet and don’t enter any amount on line 30.
Divide line 10 by the amount shown for your filing status. Enter the result as a decimal (rounded to at least
2 places).
12.
13 Enter the amount from the CNMI, if any, of the Third Economic Impact Payment (EIP 3) that was issued to you.
If filing a joint return, include the amount of your spouse’s EIP 3 payment
. . . . . . . . . . . . . . . . . . . .
Enter the amount from elsewhere (other than the CNMI), if any, of the Third Economic Impact Payment (EIP 3)
that was issued to you. If filing a joint return, include the amount of your spouse’s EIP 3 payment . . . . . . .
Recovery Rebate Credit. Subtract the sum of lines 13a and 13b from line 12. If zero or less, enter -0-. If the sum
of lines 13a and 13b is more than line 12, you don’t have to pay back the difference. Enter the result here and, if
more than zero, on line 30 of Form 1040CM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
https://finance.gov.mp/forms.php
a.
b.
Yes. Enter zero on line 6 and go to line 7.
No.
You can’t take the credit. Don complete the rest of
this worksheet and don’t enter any amount on line 30.
Enter:
$1,400 if single, head of household, married filing separately, or qualifying widow(er),
$1,400 if married filing jointly and you answered “Yes” to question 4, or
$2,800 if married filing jointly and you answered “Yes” to qustion 2 or 3 . . . . . . . . . . . . . . . . . . .
Yes. Enter the amount from line 11 of Form 1040CM and go to line 10 . . . . . . . . . . . . . . . . . . . .
No.
Enter the amount from line 8 on line 12 and skip lines 10 and 11
STOP
Is line 9 more than the amount shown below for your filing status?
Single or Marrie filing separately$80,000
Married filing jointly or qualifying widow(er)$160,000
Head of household$120,000
STOP
Single or Married filing separately$5,000
Married filing jointly or qualifying widow(er)$10,000
Head of household$7,500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14.
Multiply line 8 by line 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14.
13b.
.