Summary of Tax Filing Deadline Change March 29, 2021 April 6, 2021 Tax Department COVID-19, Tax Bites estimated tax payments, HSA, Individual Tax Extensions, state tax deadline, tax credit donations, tax deadlines, tax filing deadlineThe Treasury Department and IRS recently announced that the 2020 tax year federal income tax filing deadline for individuals would be moved to May 17, 2021. Here are the important, related details.