Postal Delivery Accountability Act This bill requires the United States Postal Service (USPS) to review and, to the extent practicable, implement the USPS Office of Inspector General's recommendations contained in the report titled Delivery Operations — Undelivered and Partially Delivered Routes (report number 21–262–R23, dated December 16, 2022). The USPS must implement these recommendations within one year of the bill's enactment.