IRS just released Notice 2021-21 that confirms what IRS news release 2021-59 said on March 17th – that the individual tax filing deadline and payment deadline is postponed until May 17th.  Importantly, the Notice also expressly extends the 2020 IRA and HSA contribution deadline until May 17, 2021, and postpones the Form 5498 series due date until June 30, 2021.