USCIS and USPS file court declarations saying mail voting EO is impossible to implement

U.S. Citizenship and Immigration Services and the Postal Service filed court declarations on May 7, 2026, stating they lacked the statutory authority to comply with the March 31, 2026 executive order on mail voting. USCIS reported it could not share personal citizenship data for voter verification without congressional authorization. USPS stated it had no legal basis to refuse mail ballot delivery based on federal eligibility lists.