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Taxes & deadlines

Form 945: reconcile nonpayroll federal income tax withholding before filing

Form 945 reports certain federal income tax withheld from nonpayroll payments, including backup withholding. Keep the withholding ledger, deposits, payee records, and information returns aligned.

Published August 29, 2026Reviewed August 29, 2026 1 min read

Form 945 is separate from ordinary payroll withholding

Businesses use Form 945 for certain federal income tax withheld from nonpayroll payments. Employee wage withholding is generally handled through the payroll tax process instead.

Finance should therefore maintain a separate nonpayroll withholding ledger rather than mixing these balances into Form 941 accounts.

Reconcile payee-level withholding to the liability

Track gross payment, payment type, payee, withholding amount, date, deposit, and related information return. Backup withholding is a common reason the Form 945 account can exist.

The total liability should be explainable from individual payment records.

Match deposits to the correct tax process

Federal tax deposits can have specific timing rules. Compare payment confirmations with the nonpayroll withholding schedule and bank records.

A tax payment posted to the wrong payroll or nonpayroll account can leave one return apparently unpaid and another overpaid.

Build the annual filing package

Keep the filed Form 945, e-file or filing confirmation, deposit history, payee reports, backup-withholding notices, related Forms 1099 where applicable, and ledger reconciliation.

That package makes future notices much easier to resolve because the company can reproduce both the reported tax and the cash paid.

Frequently asked questions

Questions buyers usually ask

What does Form 945 report?

It reports certain federal income tax withheld from nonpayroll payments, including backup withholding and other specified withholding categories.

Is Form 945 the same as Form 941?

No. Form 941 generally covers payroll taxes, while Form 945 covers specified nonpayroll federal income tax withholding.

Official sources

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