Step-by-Step: How to Fill Out a 1099 Form

What goes on each line of a 1099

A 1099 form reports non-employee income to the IRS and to the person who earned it. The payer (the person or business paying you) fills it out, not you. But you should know what each box means so you can check it against your own records and catch errors before tax time.

The most common version is the 1099-NEC (nonemployee compensation), used for freelance work, consulting, and contract labor. A 1099-MISC reports other kinds of income like rent, prizes, or medical payments. Both follow the same basic structure: boxes for who paid you, how much, and what kind of income it was.

The payer's name, address, and tax ID go in boxes 1a through 5. Your name, address, and Social Security number or tax ID go in boxes 6 through 9. These identifiers let the IRS match the 1099 they receive from the payer to the income you report on your tax return. If your name or address changed during the year, tell the payer so they can send a corrected form if needed.

Key Takeaways

• The payer fills out the 1099, not you, but you should check it against your own records for accuracy.
• Box 1 on a 1099-NEC shows the total nonemployee compensation you received; this is the number you report on your tax return.
• If the payer reports income you did not receive or reports the wrong amount, you can file a dispute with the IRS using Form 8949.
• You must report all 1099 income on your tax return even if you do not receive a copy, because the payer sent one to the IRS.
• The payer must send you a copy by January 31 of the year after payment; if you do not receive it by early February, contact them in writing.

Box 1: Nonemployee compensation (1099-NEC only)

Box 1 shows the total amount the payer paid you for services during the year. This is the number you will report on your Schedule C (if you are self-employed) or on line 21 of your Form 1040 (if you have only a small amount of 1099 income). The payer should include all payments they made to you, whether by check, bank transfer, or other method.

Check this number against your own invoices and bank deposits. If you invoiced for $5,000 but the 1099 says $4,500, the payer may have deducted something without telling you, or they may have made a data entry error. Contact them and ask for a corrected form (called an amended 1099) if the amount is wrong.

Some payers may exclude certain payments—for example, they might not report payments under $600 if they are not required to issue a 1099 at all. But if they did issue one, everything in box 1 must be reported on your return.

Boxes 2 through 5: Federal income tax withheld and state information

Box 2 shows federal income tax the payer withheld from your payments. This is rare for 1099 income unless you asked the payer to withhold or if you are a backup withholding case. If box 2 has a number, that amount was sent to the IRS on your behalf, and you will claim it as a payment when you file your return.

Boxes 3 and 4 show state income tax withheld and the state where you worked. Boxes 5a and 5b show local income tax withheld and the locality. These vary by where you live and where you worked. If you worked in multiple states, you may receive multiple 1099s, one for each state.

Keep these numbers for your state and local tax returns. If you owe state or local tax on the income, you will report the withheld amounts as credits against what you owe.

Boxes 6 through 9: Your identifying information

Box 6 is your name. Box 7 is your street address. Box 8 is your city, state, and ZIP code. Box 9 is your tax ID—either your Social Security number (if you are a sole proprietor) or your employer identification number (if you operate as an LLC, S-corp, or other entity).

The payer gets this information from you, usually on a W-9 form that you fill out when you start working with them. If any of this information is wrong on the 1099, contact the payer and provide the correct details. They will issue a corrected 1099 if the error is significant enough.

The IRS uses this information to match the 1099 to your tax return. If your name or tax ID on the 1099 does not match what you put on your return, the IRS computer may flag it as a mismatch, which can delay your refund or trigger a notice.

Other boxes: Rents, royalties, and special situations

A 1099-MISC has different boxes depending on the type of income. Box 1 reports rents paid to you. Box 2 reports royalties. Box 3 reports other income like prizes or awards. Box 5 reports fishing boat proceeds. Box 6 reports medical and health care payments. Box 7 reports nonqualified deferred compensation.

If you received a 1099-MISC, look at which box has a number and report that income on the corresponding line of your tax return. The instructions that come with the 1099-MISC will tell you which form and which line to use.

Some payers issue a 1099-K instead, which reports payment card transactions or third-party network transactions (like PayPal or Venmo). Box 1a shows the gross amount of payment card transactions. Box 1b shows the card not present transactions. These are reported on Schedule C the same way as other business income.

What to do if the 1099 is wrong

If the payer reported an amount that does not match your records, contact them first. Explain the discrepancy and ask them to issue a corrected 1099 (marked "CORRECTED" at the top). They have until January 31 to send you the original, and they can send a corrected version anytime before filing their own return with the IRS.

If the payer refuses to correct it or you cannot reach them, you can still file your return with the correct amount. On your return, report the income you actually received, not the amount on the 1099. Keep documentation—invoices, bank statements, emails—that shows what you were actually paid.

If the IRS later notices a mismatch between your return and the 1099 they received, you can file Form 8949 to explain the difference. Attach a statement showing why your number is correct and include copies of your supporting documents. The IRS will review it, and if you are right, they will adjust your account.

When you receive the 1099 and what to do with it

The payer must send you a copy of the 1099 by January 31 of the year after you received the income. For example, income you earned in 2024 will be reported on a 1099 sent to you by January 31, 2025. If you do not receive it by early February, contact the payer in writing (email is fine) and ask them to send it or confirm they issued one.

Keep the 1099 with your tax records for at least three years. You do not attach it to your return when you file, but the IRS has a copy, and you may need to show it if you are audited. If you received multiple 1099s from different payers, add up all the amounts in box 1 and report the total on your return.

If you lost the 1099 or never received it, you can still file your return. Report the income you know you received based on your own records. You can also contact the payer and ask for a duplicate copy, or contact the IRS at 800-829-1040 and ask them to send you a transcript showing what 1099s they received in your name.

Frequently Asked Questions

Do I have to report 1099 income if I did not receive a copy?

Yes. The payer sent a copy to the IRS, so the IRS knows about it. If you do not report it on your return, the IRS will notice the mismatch and send you a notice. Report the income based on your own records—invoices, bank statements, or payment receipts—even if you never see the 1099.

What if I received a 1099 for income I did not earn?

Contact the payer when ready and ask them to issue a corrected 1099 showing zero or the correct amount. If they refuse or do not respond, file your return with the correct amount and attach a statement explaining the error. Keep copies of all communications with the payer. If the IRS contacts you, you can show them the evidence that the income was reported in error.

Can I deduct business expenses from 1099 income?

Yes, if you are self-employed. Report the gross 1099 income on Schedule C, then deduct legitimate business expenses like supplies, equipment, mileage, and home office costs. Your net profit (income minus expenses) is what you owe self-employment tax on. Keep receipts for all expenses you deduct.

What if the payer withheld taxes but reported the wrong amount?

Report the income as shown in box 1 of the 1099. Report the withheld amount as shown in box 2 (or boxes 3, 4, 5 for state and local). If the withheld amount is wrong, contact the payer and ask for a corrected 1099. Do not adjust the numbers yourself on your return; let the corrected form do that.

Do I need to file a return if I only have 1099 income under $400?

You must file if your total income is above the standard deduction for your filing status, even if it is all 1099 income. If you have self-employment income of $400 or more, you must file to pay self-employment tax, regardless of whether you owe income tax. Check the IRS filing requirements for your age and status.