November 10 – Social Security, Medicare and Withheld Income Tax File Form 941 for the third quarter of 2022. This due date applies only if you deposited the tax for the quarter in full and on time.November 15 – Social Security, Medicare and Withheld Income Tax If the monthly deposit rule applies, deposit the tax for payments in October. November 15 – Nonpayroll Withholding If the monthly deposit rule applies, deposit the tax for payments in October.