Page 56 - 2021 IRS Tax Calendar - Handbook

November 11/15/21

 File extended Forms Form 990, 990-EZ, 990-PF, 990-N,
990-BL, or 990-T (Trusts other than section 401(a) or

408(a) trusts) for years ending 12/31/2020
 Deposit payroll tax for payments on Nov 6-9 if the

semiweekly deposit rule applies.
 File Form 8038, 8038-B, 8038-G, 8038-TC for bonds issued
in Jul/Aug/Sep 2021

 Deposit payroll tax for Oct if the monthly rule applies.