The U.S. IRS has issued a notice urging taxpayers to file as soon as possible if the 18 April 2023 deadline was missed in order to limit penalties and interest. --- Missed the April 18 filing deadline? File now to limit penalties and interest WASHINGTON — The Internal Revenue Service today urged taxpayers who missed Tuesday's April 18 tax-filing deadline to file as soon as possible. Taxpayers who owe and missed the deadline without requesting an extension should file quickly to limit penalties and interest. For struggling taxpayers unable to pay their tax bill, the IRS has several options available...