Form 1040 Tax Year 2020: A Comprehensive Filing Checklist
Overview of Tax Year 2020
The 2020 tax year introduced the Recovery Rebate Credit on line 30 to reconcile the first Economic Impact Payment distributed in spring 2020 under the CARES Act. The form added a mandatory virtual currency question before the Filing Status section, requiring all taxpayers to disclose whether they received, sold, sent, exchanged, or otherwise acquired any financial interest in virtual currency during the 2020 tax year.
The CARES Act also created a temporary above-the-line charitable deduction on line 10b for taxpayers claiming the standard deduction, allowing up to $300 of qualified cash contributions. The American Rescue Plan Act, signed in March 2021, retroactively allowed exclusion of up to $10,200 of unemployment compensation for eligible taxpayers, implemented through supplemental worksheets and IRS adjustments rather than the original form design.
Key 2020 Provisions
Recovery Rebate Credit
The Recovery Rebate Credit on line 30 reconciles only the first Economic Impact Payment issued in spring 2020. Eligible individuals could receive up to $1,200, married couples filing jointly up to $2,400, plus $500 for each qualifying child under age seventeen. If you did not receive the full payment or did not receive a payment at all, you may claim the credit on your 2020 return based on your 2020 adjusted gross income, filing status, and qualifying dependents. The credit is refundable, meaning it increases your refund or reduces the amount you owe. Retain IRS Notice 1444 for your records, but do not attach it to your return.
Virtual Currency Reporting
All taxpayers must answer the virtual currency question located before the Filing Status section. Answer yes if at any time during 2020 you received, sold, sent, exchanged, or otherwise acquired any financial interest in any virtual currency. This includes cryptocurrency transactions, even if you did not realize a gain or loss at the time.
A "yes" answer does not automatically trigger additional tax liability, but establishes your obligation to report virtual currency transactions on appropriate forms such as Schedule D or Form 8949.
Standard Deduction Charitable Contribution
Line 10b allows taxpayers who claim the standard deduction to deduct up to $300 of qualified cash contributions made in 2020 to eligible charitable organizations. This temporary provision under the CARES Act applies only to cash contributions, not property or securities donations.
Married filing jointly: taxpayers could each claim up to $300, for a combined maximum of $600 in 2020. Contributions must be to qualifying organizations, excluding donor-advised funds and supporting organizations.
Unemployment Compensation Exclusion
The American Rescue Plan Act, enacted in March 2021, retroactively allowed taxpayers with a modified adjusted gross income of less than $150,000 to exclude up to $10,200 of unemployment compensation received in 2020. For married couples filing jointly, each spouse can exclude up to $10,200 if both received unemployment. This exclusion was not part of the original 2020 Form 1040 and was implemented through supplemental worksheets. The IRS automatically adjusted many returns filed before the law’s enactment.
Filing Checklist for Form 1040
1. Verify Filing Status and Personal Information
Select your filing status as of December 31, 2020: Single, Married Filing Jointly, Married Filing Separately, Head of Household, or Qualifying Widow or Widower. Enter your name, address, and Social Security Number. If you are married and filing separately, enter your spouse’s name and Social Security Number. If claiming head of household, you may need to provide the qualifying person’s name.
Select the boxes in the Standard Deduction section if you were born before January 2, 1956, or if you are blind, with separate boxes for yourself and your spouse if filing jointly. Answer the virtual currency question with yes or no.
2. List Dependents
Enter each dependent’s first name, last name, Social Security Number, and relationship to you. Check the box indicating whether each dependent qualifies for the child tax credit, credit for other dependents, or both. You may list up to four dependents directly on Form 1040. If you have more than four dependents, check the box and attach a statement with the additional dependent information.
3. Gather Income Documents
Collect Forms W-2 for wages, salaries, and tips. Gather Forms 1099-INT for interest income, Forms 1099-DIV for dividend income, Forms 1099-B for broker proceeds, Forms 1099-R for retirement distributions, Forms SSA-1099 or RRB-1099 for Social Security benefits, Forms 1099-MISC for miscellaneous income with nonemployee compensation in Box 7, Forms 1099-NEC for nonemployee compensation if received, Forms 1099-G for unemployment compensation and state tax refunds, and Schedules K-1 from partnerships, S corporations, estates, and trusts.
Attach Form W-2 to the front of your return when mailing.
4. Report Wage and Investment Income
Enter total wages, salaries, and tips from all Forms W-2 on line 1. Report tax-exempt interest on line 2a for informational purposes and taxable interest on line 2b. Report qualified dividends on line 3a and ordinary dividends on line 3b. If your taxable interest or ordinary dividends exceed $1,500, complete and attach Schedule B.
Report total IRA distributions on line 4a with the taxable amount on line 4b. Report total pension and annuity distributions on line 4c with the taxable amount on line 4d. Report total Social Security benefits on line 5a with the taxable amount on line 5b using the worksheet in the instructions.
5. Report Additional Income
If you have income from sources other than wages, interest, dividends, retirement distributions, or Social Security, complete Schedule 1 Part I. Report capital gain or loss from Schedule D on Schedule 1 line 3. Report other gains or losses from Form 4797 on Schedule 1 line 4.
Report business income from Schedule C on Schedule 1 line 3. Report rental real estate, royalty, partnership, S corporation, estate, and trust income from Schedule E on Schedule 1 line 5. Report farm income from Schedule F on Schedule 1 line 6.
Report unemployment compensation on Schedule 1 line 7. Report other income, including prizes, awards, gambling winnings, and jury duty pay, on Schedule 1 line 8. Total Schedule 1 Part I on line 9 and enter this amount on Form 1040 line 8. Add lines 1 through 8 for total income on line 9.
6. Claim Adjustments to Income
Complete Schedule 1 Part II for adjustments to income. Report educator expenses up to $250 on line 10. Report certain business expenses of reservists, performing artists, and fee-basis government officials on line 11. Report health savings account deduction on line 12. Report moving expenses for members of the Armed Forces on line 13. Report the deductible part of the self-employment tax on line 14.
Report self-employed SEP, SIMPLE, and qualified plans on line 15. Report self-employed health insurance deduction on line 16. Report penalty on early withdrawal of savings on line 17. Report alimony paid for agreements executed before January 1, 2019, on line 18a with the recipient’s Social Security Number on line 18b. Report IRA deduction on line 19. Report student loan interest deduction on line 20. Report other adjustments on line 22.
Total Schedule 1 Part II on line 22 and enter on Form 1040 line 10a. If you claim the standard deduction and made qualified cash charitable contributions up to $300, enter that amount on line 10b. Add lines 10a and 10b for total adjustments on line 10c. Subtract line 10c from line 9 to calculate adjusted gross income on line 11.
7. Determine Standard or Itemized Deduction
For single and married filing separately, the standard deduction is $12,400; for married filing jointly and qualifying widow or widower, it is $24,800; and for head of household, it is $18,650. Add additional amounts if you checked boxes for age or blindness. Alternatively, if your itemized deductions exceed your standard deduction, complete Schedule A.
Schedule A includes medical and dental expenses exceeding 7.5 percent of adjusted gross income, state and local income or sales taxes, property taxes limited to $10,000 total, mortgage interest, gifts to charity, and casualty and theft losses from federally declared disasters. Enter your standard deduction or itemized deduction from Schedule A on line 12a.
8. Calculate Qualified Business Income Deduction
If you have qualified business income from Schedule C, rental real estate from Schedule E, or pass-through entity income from Schedule K-1, calculate the qualified business income deduction using Form 8995 if your taxable income before the deduction is at or below $326,600 for married filing jointly or $163,300 for other filing statuses. Use Form 8995-A if your income exceeds these thresholds.
Enter the qualified business income deduction on line 12b. Add lines 12a and 12b for total deductions on line 12c.
9. Calculate Taxable Income and Tax
Subtract line 12c from line 11 to determine taxable income on line 15. Use the Tax Table if your taxable income is less than $100,000 or the Tax Computation Worksheet if it is $100,000 or more. Use the Qualified Dividends and Capital Gain Tax Worksheet or Schedule D Tax Worksheet if you have qualified dividends or capital gains.
Enter your tax on line 16. Select the applicable boxes if you used Form 8814 for a child’s interest and dividends or Form 4972 for lump-sum distributions.
Suppose you have additional taxes, such as self-employment tax from Schedule SE, alternative minimum tax from Form 6251, excess advance premium credit repayment from Form 8962, additional tax on retirement plans from Form 5329, household employment taxes from Schedule H, first-time homebuyer credit repayment from Form 5405, additional Medicare tax from Form 8959, or net investment income tax from Form 8960. Complete Schedule 2.
Enter the amount from Schedule 2 line 1 for the alternative minimum tax on line 17a. Enter the total from Schedule 2 line 3 on line 17b. Add lines 16, 17a, and 17b for line 18. Schedule 2 combines former Schedule 4.
10. Claim Tax Credits
Calculate your child tax credit or credit for other dependents using the worksheet in the instructions. Enter $2,000 per qualifying child under age seventeen plus $500 per other dependent, subject to modified adjusted gross income phase-out thresholds of $400,000 for married filing jointly or $200,000 for other statuses. Enter on line 19.
Complete Schedule 3 Part I for other nonrefundable credits. Report foreign tax credit on Schedule 3 line 1, child and dependent care credit from Form 2441 on line 2, education credits from Form 8863 on line 3, retirement savings contributions credit from Form 8880 on line 4, residential energy credits from Form 5695 on line 5, and other nonrefundable credits on line 6.
Enter the total from Schedule 3 line 7 on Form 1040 line 20. Add lines 19 and 20 for total credits on line 21. Subtract line 21 from line 18 for line 22. Add lines 22 and 23 for other taxes from Schedule 2 line 10 to calculate the total tax on line 24.
11. Report Federal Withholding and Payments
Enter the federal income tax withheld from Forms W-2 and 1099 on line 25d. Enter the estimated 2020 tax payments and the amount applied to the 2019 return on line 26.
If you are claiming the earned income credit, complete the worksheet in the instructions and enter the result on line 27a. Check box 27b and enter nontaxable combat pay if applicable. If claiming the additional child tax credit, complete Schedule 8812 and enter on line 28. If claiming the refundable portion of the American Opportunity Credit, enter the amount from Form 8863 line 8 on line 29.
12. Claim Recovery Rebate Credit and Other Payments
Calculate your Recovery Rebate Credit using the worksheet in the instructions. The credit reconciles the first Economic Impact Payment issued in spring 2020. You may be eligible for up to $1,200 for single filers, $2,400 for married filing jointly, plus $500 per qualifying child under age seventeen, based on your 2020 adjusted gross income and filing status. Enter the credit on line 30.
Complete Schedule 3 Part II for other payments and refundable credits. Report net premium tax credit from Form 8962 on Schedule 3 line 8, the amount paid with request for extension on line 9, the excess Social Security and tier 1 Railroad Retirement Tax Act tax withheld on line 10, the credit for federal tax on fuels from Form 4136 on line 11, and other refundable credits on lines 12–14.
Enter the total from Schedule 3 line 15 on Form 1040 line 31. Add any credit from Form 2439 or other qualified credits on line 32. Add lines 25d, 26, 27a, 28, 29, 30, 31, and 32 for total payments on line 33.
13. Calculate Refund or Amount Owed
If line 33 is more than line 24, subtract line 24 from line 33 to determine your overpayment on line 34. Enter the amount you want refunded on line 35a. Enter your bank routing number, account number, and account type on lines 35b, 35c, and 35d for direct deposit.
On line 36, enter any amount from line 34 you want applied to your 2021 estimated tax. If line 24 is more than line 33, subtract line 33 from line 24 to determine the amount you owe on line 37. If required, calculate the estimated tax penalty using Form 2210 and enter it on line 38.
Both spouses must sign and date a joint return. Enter your occupation and daytime phone number. Enter your Identity Protection PIN if the IRS issued you one. Paid preparers must sign and provide their Preparer Tax Identification Number.
14. Assemble and File Return
Arrange your return in this order: Form 1040 with signature, Schedule 1 if applicable, Schedule 2 if applicable, Schedule 3 if applicable, Schedule A if itemizing, Schedule B if required, Schedule C for business income, Schedule D for capital gains, Schedule E for rental and pass-through income, Schedule EIC if claiming earned income credit with qualifying children, Schedule SE for self-employment tax, Schedule 8812 if claiming additional child tax credit, Form 8995 or 8995-A for qualified business income deduction, Form 8863 for education credits, all Forms W-2, and other required forms and schedules.
Consult the Where to File section in the instructions for the correct mailing address based on your state of residence and whether you owe tax or expect a refund, or file electronically through approved tax software.
Filing Deadline and Extensions
Form 1040 for tax year 2020 must be filed by April 15, 2021. Request an automatic six-month extension to October 15, 2021, by filing Form 4868 electronically or by mail no later than April 15, 2021. The extension provides additional time to file but not to pay. Estimate your tax liability and pay any amount due by April 15, 2021, to minimize interest and penalties.
Taxpayers living abroad receive an automatic two-month extension to June 15, 2021, without filing Form 4868.
Document Retention
Retain Form 1040, all schedules, Forms W-2 and 1099, itemized deduction receipts, credit documentation, IRS Notice 1444 for Recovery Rebate Credit calculations, and payment records for at least three years from the filing date or two years from the payment date, whichever is later. Keep property, retirement, and carryover records for longer to facilitate basis calculations.
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This checklist is for educational purposes only and does not constitute tax or legal advice. Always review official IRS instructions and consult a qualified professional for guidance.
