Delivering Envelopes Judiciously On-time Year-round Act or the DEJOY Act This bill requires the U.S. Postal Service (USPS) to maintain the service standards for first-class mail that were in effect on January 1, 2021. The Postmaster General proposed in March 2021 a 10-year restructuring plan for the USPS that would lengthen the permissible mail-delivery window.