With payment, the address is Internal Revenue Service, P.O. Box 804522, Cincinnati, OH, 45820-4522.All other states mail Form 941 without a payment to Department of the Treasury, Internal Revenue Service, Ogden, UT, 84201-0005. With payment, the address is Internal Revenue Service, P.O. Box 37941, Hartford, CT, 06176-7941.Who needs to file Form 941?
Who Needs to File Form 941. Federal law requires employers to withhold certain taxes from their employees’ pay. Each time employers pay wages, they must withhold certain amounts for federal income tax, social security tax, and Medicare tax.When to file 941 payments?
Internal Revenue Service Form 941 is the Employer's Quarterly Federal Tax Return. The first report for the year must be filed by April 30 (for the pay period ending March 31). Subsequent filing dates are July 31, October 31 and January 31.