The administration told the Supreme Court that Judge Indira Talwani's block on the Aug. 21 rule — which includes a federal portal for voter data — risks "sowing confusion," while election officials say the requirements cannot be implemented before the first state starts mailing ballots on Sept. 4.
On Sept. 1, a federal judge left the new Postal Service mail-ballot requirements blocked, finding the agency likely had no authority to issue the rule at all, and set a Sept. 3 hearing on a longer freeze.
- USPS published the rule on Aug. 21, 2026.
- The first state begins mailing ballots to voters Friday, Sept. 4, 2026.
- Jackson set a Tuesday deadline for states to respond.