IRS mail delay update Post author:Frank Carnahan Post published:February 4, 2021 Post category:News 2021-02-04 Although the IRS has publicized that it has “opened” the mail, it has apparently only managed to “process” the mail that has been opened through April 15, 2020. You Might Also Like Missouri Extended the Individual Tax Filing and Payment Deadline to May 17, 2021 March 31, 2021 IRS Provides Section 199A Safe Harbor for Rental Real Estate October 2, 2019 Mailing of IRS notices delayed due to ongoing pandemic December 16, 2020