IRS Form 944‑X – Fillable PDF for Tax Corrections

Form 944‑X, Adjusted Employer’s Annual Federal Tax Return or Claim for Refund, is the IRS’s official document for correcting errors on a previously filed Form 944. Whether you over‑reported or under‑reported federal income tax, Social Security tax, Medicare tax, or Additional Medicare Tax, this fillable PDF lets you make the necessary adjustments quickly.

What Is Form 944‑X?

Form 944‑X is used by small employers who file the annual Form 944 and need to correct amounts after the filing deadline. Each year that requires a correction needs a separate Form 944‑X. The form is accepted by the IRS for both adjustments and refund claims.

How to Fill Out Form 944‑X Online

Instead of downloading the PDF and opening a separate editor, simply click the "Fill out this form" button on this page. The Formize PDF Filler app will load in your browser, allowing you to type directly into each field, add signatures, and save the completed document.

• Click the button to launch the filler.
• Enter your EIN, tax year, and business details.
• Select the appropriate box for Adjusted return or Claim for refund.
• Provide corrected amounts in Part 3 and explain the changes in Part 4.
• Sign electronically in Part 5 and download or email the finished form.

Common Mistakes & Tips

• Missing EIN or tax year: The IRS will reject the form if these identifiers are blank.
• Incorrect box selection: Choose only one of the two main options (adjusted return vs. refund claim).
• Failure to attach supporting documents: Include any required W‑2/W‑2c adjustments to avoid processing delays.
• Signatures: An unsigned Form 944‑X is considered incomplete.

Where to Submit the Completed Form

After saving the filled PDF, mail it to the appropriate IRS address listed in the form’s instructions (see Part 5). If you are filing without a payment, use the “Mail return without payment” address; include a payment if applicable.

Download the Official PDF

For reference or offline completion, you can download the official IRS version of Form 944‑X directly:

Download Form 944‑X (PDF)