Use Form 941-X to correct errors on a Form 941 that you previously filed. Current Revision Form 941-XPDF Instructions for Form 941-X (Print VersionPDF) Recent Developments Clarification of the Definition of Qualified Sick Leave Wages and Qualified Family Leave Wages -- 29-JAN-2021 More Time to Withhold and Pay the Employee Share of Social Security Tax Deferred in 2020 -- 28-JAN-2021 Didn’t Get Requested PPP Loan Forgiveness? You Can Claim the Employee Retention Credit for 2020 on the 4th Quarter Form 941 -- 22-JAN-2021 Other Items You May Find Useful All Form 941-X Revisions About Form 941-X (PR), Adjusted Employer's Quarterly Federal Tax Return or Claim for Refund (Puerto Rico Version) Notice 2015-2PDF, Application of Retroactive Increase in Excludable Transit Benefits (PDF) Notice 2016-06PDF, Application of Retroactive Increase in Excludable Transit Benefits (PDF) Notice 2016-55 , Treatment of Amounts Paid to Section 170(c) Organizations under Employer Leave-Based Donation Programs to Aid Victims of Severe Storms and Flooding in Louisiana that Began on August 11, 2016 Other Current Products Related Items About Publication 15, (Circular E), Employer's Tax Guide About Publication 80, Circular SS - Federal Tax Guide for Employers in the U.S. Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands About Publication 179 (Circular PR), Federal Tax Guide for Employers in Puerto Rico About Publication 556, Examination of Returns, Appeal Rights, and Claims for Refund Publication 966, Electronic Federal Tax Payment System (EFTPS) (PDF)