Social Security, Medicare, and Withheld Income Tax

March 15, 2021

File Form 941 for the second quarter of 2021. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until August 10 to file the return.