2020 IA 1040C Composite Individual Income Tax Return for Nonresidents

Sep 19, 2026

2020 IA 1040C is a composite individual income tax return for nonresidents covering partnerships, S corporations, trusts, and limited liability companies acting on behalf of nonresident partners, shareholders, beneficiaries, or members. The form collects names, addresses, FEIN, contact details, and taxpayer type, then calculates composite income, deductions, taxable income, tax, credits, and the resulting refund or amount due. It also includes instructions for filing requirements, a schedule listing nonresident owners with Iowa-source income, and signature and mailing details to the Iowa Department of Revenue.

LanguageEnglish

CategoryForms

FormatPDF

Pages4

Reading Time2 min

AccessFree to download

STEP 1 Name and Address

STEP 2 Exemptions

STEP 3 Composite Income

STEP 4 Deductions

STEP 5 Tax

STEP 6 Credits

STEP 7 Refund or Amount Due

SIGN AND DATE YOUR RETURN

Schedule NR (Nonresident Owners List)

Instructions for Composite Iowa Individual Income Tax Return for Nonresidents

2020 IA 1040C Composite Individual Income Tax Return for Nonresidents Partnerships, S Corporations, Trusts, and Limited Liability Companies for filing on behalf of Nonresident Partners, Shareholders, Beneficiaries, or Members For calendar year 2020 or Fiscal year beginning / , 2020 , and ending / , 20 STEP 1 Name and Address STEP 2 Exemptions Company name: Current mailing address: (number, street, apartment number, suite, PO Box) _____________________________________________________________ _____________________________________________________________ City, State, and ZIP: _____________________________________________________________ Name of contact person: Daytime telephone number: FEIN: This return is for:(Check one) Partners ☐ Shareholders ☐ Beneficiaries ☐ Members ☐ Enter the number of individuals (count) whose Iowa-source income exceeds the minimum income requirement. See instructions. ...................................... Count ▲ X $40 =$ | STEP 3 Composite Income | 1. Enter the total Iowa-source income of all individuals whose Iowa-source income
exceeds the minimum income requirement. ........................................................................... 1.▲ .00 | | --- | --- | | STEP 4 Deductions | 2. Deduction in lieu of federal tax deduction. See instructions. ........................ 2.▲ .00
3. Qualified business income deduction. Include IA 8995C. ............................3. ▲ .00
4. Standard deduction. Multiply exemptions count in Step 2 by $2,110 . ..........4. ▲ .00
5. Total deductions. ADD lines 2 through 4. .......................................................................... 5. .00
6. Composite taxable income. SUBTRACT line 5 from line 1. ..............................................6. .00 | | STEP 5 Tax | 7. Compute tax from Tax Rate Schedule. See instructions. .............................7. ▲ .00
8. Iowa alternative minimum tax. See instructions. ...........................................8. ▲ .00
9. Total tax. ADD lines 7 and 8. ............................................................................................. 9. .00 | | STEP 6
Credits | 10. Personal exemption dollar amount from Step 2 above. ................................ 10 .00
11. Other nonrefundable credits. Include IA 148 Tax Credits Schedule. ........... 11. ▲ .00
12. Total nonrefundable credits. ADD lines 10 and 11. ........................................................... 12 .00
13. Balance. SUBTRACT line 12 from line 9. If less than zero, enter zero. ............................ 13. ▲ .00
14. Iowa fuel tax credit. Include IA 4136. .......................................................... 14. ▲ .00
15. Other refundable credits. Include IA 148 Tax Credits Schedule. ................ 15. ▲ .00
16. Estimated and voucher payments made for tax year 2020. ....................... 16. ▲ .00
17. Total credits. ADD lines 14 , 15 , and 16. ............................................................................ 17 .00 | | STEP 7
Refund or Amount Due | 18. If line 17 is more than line 13 , subtract line 13 from line 17. This is the
amount you overpaid. ............................................................................................................... 18.▲ .00
19. Amount of line 18 to be REFUNDED. ................................................................................ 19. ▲ .00
20. Amount of line 18 to be applied to your 2021 estimated tax. ...................... 20. ▲ .00
21. If line 17 is less than line 13, subtract line 17 from line 13.
This is the AMOUNT OF TAX YOU OWE ......................................................................... 21. ▲ .00
22. Penalty. See instructions. .................................................................................................. 22. ▲ .00
23. Interest. See instructions. .........................

FAQs

Who must be included in the IA 1040C composite return?

Nonresident partners, shareholders, beneficiaries, or members can be included in a composite return if they meet the filing requirements described in the instructions, including having enough Iowa-source income to create positive tax due.

What information is collected in Step 1 and Step 2?

Step 1 requests company name, current mailing address, city/state/ZIP, contact person name, daytime telephone number, and FEIN. Step 2 requires selecting the applicable category (partners, shareholders, beneficiaries, or members) and entering the exemptions count used in later computations.

How is the refund or amount due determined?

The form computes total credits and balance, then compares the result to the earlier line to determine whether there is an overpayment (refund) or an underpayment (amount owed), including penalty and interest as listed.

Sep 19, 2026

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