Attorney General Bonta Files Lawsuit Challenging USPS Rule Restricting Mail-In Voting, Interfering with Elections

August 26, 2026Contact: (916) 210-6000, agpressoffice@doj.ca.govOAKLAND — Co-leading a coalition of 24 attorneys general and the Governor of Pennsylvania, California Attorney General Rob Bonta today filed a lawsuit against the U.S. Postal Service (USPS) challenging its final rule which unlawfully attempts to interfere with states’ constitutional authority to administer elections by allowing USPS to reject mail, offer non-postal services, and discriminate among users of the mail.