IRS Form 945 – Annual Return of Federal Tax Withheld

IRS Form 945, Annual Return of Federal Tax Withheld, is used by employers to report income tax, social security, and Medicare taxes that were withheld from employee wages and deposited with the IRS. The form is required each year, even if no tax was withheld.

Using Formize’s fillable PDF, you can complete Form 945 directly in your browser—no extra software needed. The online filler automatically saves your entries, validates required fields, and lets you download a completed PDF ready for e‑filing or mailing.

What is IRS Form 945?

This form reports the total amount of federal income tax withheld from employee wages and deposited during the calendar year. It is also used for reporting backup withholding and certain other payments.

How to Fill IRS Form 945 Online

Simply click the “Fill out this form” button on the page. The Formize PDF Filler app will load, and you can start entering information immediately. The filler guides you through each line, highlighting required fields and providing brief instructions.

Common Mistakes & Tips

• Enter the correct Employer Identification Number (EIN) – a typo can delay processing.
• Double‑check the total tax deposited; the amount must match your payment vouchers.
• Use the correct tax year box; Form 945 covers the entire calendar year, not a fiscal year.
• Sign and date the form electronically before downloading the final PDF.

Download the Fillable PDF

The official IRS PDF is available for free. Click the button below to open the fillable version in Formize’s secure environment.

Submit Your Completed Form

After completing the form, download the PDF and attach it to your e‑file submission or mail it to the IRS address indicated in the instructions. Keep a copy for your records.