Form 945 2024. For withholding reported on forms 1099 and w. Form 945 is used to report income tax withholding on non payroll payments including backup withholding and withholding on pensions, annuities, ira's military.
File form 945, “annual return of withheld federal income tax,” for 2023 to report income tax withheld on all nonpayroll items, including backup. The last day for filing form 945 for tax year 2023 is jan.