941-X Form Builder

1 Employer & quarter being corrected

Calendar year being correctedQuarter *

Legal employer name *Employer EIN *Street address & suite *City / town *Country

State / territory *ZIP / postal code *

Trade name & aggregate filer Only if applicable

Trade name

Aggregate filer type

Date you discovered the errors *The original Form 941 for this quarter has already been filed.

One Form 941-X corrects one quarter. Use the current April 2026 IRS revision for corrections to the selected year. Form 941-SS is not used for original 2025 or 2026 returns.

2 Select the lines to correct

Add only the lines that changed. Enter the correct total and the amount originally reported or previously corrected. Differences and standard-rate tax corrections update automatically.

Correction line

3 Process & certifications

Which tax errors are being corrected? *Correction process *

A claim is for overreported tax only. The correct process depends on the individual corrections and deadline rules, not just the final net amount.

The period for credit or refund expires within 90 days · apply the special process rules

Within this period, overreported taxes use the claim process. Mixed corrections require separate adjustment and claim forms. Review the decision guidance on page 6.

Select only statements that are true. Read the complete certifications on the original first page before selecting them.

I have filed or will file required Forms W-2 or W-2c · Line 3.

4 Explain the corrections

An individual corrected line combines underreported and overreported amounts · Line 41Corrections involve reclassified workers · Line 42

For reclassified workers, enter each applicable tax correction from your instruction-supported records. Standard combined-share rates may not apply.

Detailed explanation · Line 43 *

Use at most 2,400 characters in the original field. Prepare any required separate statements or attachments yourself; this tool does not generate them.

5 Signer details

Signer printed name *Signer title *Best daytime phone *

Paid preparer Only if someone prepared this return for a fee

Include paid-preparer details

Signature

How would you like to sign?

Your signature and signing date will stay blank. Print and sign before submitting your return to the IRS.

Review & download

Review all five return pages. Your PDF includes the original sixth page of process guidance. Reserved lines stay blank. Required separate schedules, statements, employee consents and other supporting records are not generated by this tool.

By clicking Continue to checkout, you confirm that you reviewed the correction against your records. IRS filing, tax payments and refund approval are separate.

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