Form 945

Form 945What is Form 945?

IRS Form 945 is titled Annual Return of Withheld Federal Income Tax. Form 945 is used to report withheld federal income tax from nonpayroll payments, including distributions from qualified retirement plans.

Who must file Form 945?

The plan sponsor must file Form 945 if they withheld any federal income tax from nonpayroll payments during the plan year.

When is Form 945 due?

Form 945 must be filed with the IRS by January 31st of each year, reporting withholding during the prior calendar year. However, if all withheld tax has been deposited in a timely manner to the IRS, the deadline is extended to February 10th.

Find the form and other helpful information on the IRS website:,-Annual-Return-of-Withheld-Federal-Income-Tax

Pinnacle Plan Design is a third-party administrator (TPA) for employer-sponsored qualified retirement plans. We specialize in retirement plan design, administration and actuarial consulting for 401(k)/profit-sharing plans, defined benefit plans, cash balance plans, and 403(b) plans. Pinnacle Plan Design proudly serves businesses nationwide.


Pinnacle’s superior technical expertise combined with our unmatched client service makes us an industry leader in the retirement plan arena. Pinnacle delivers personalized high-impact results to hundreds of closely-held businesses across the nation. Our highly-credentialed professionals are committed to delivering outstanding client service, so that you are able to spend your time focusing on your core business, not on your retirement plan.

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