Source: The Signal
Date: 04/02/2026 8:53am

Article Summary:
**USPS Postmark Rule Changes May Jeopardize Timely Tax Filings and Mail-In Ballots**
A recent U.S. Postal Service rule change means postmarks will now reflect when mail is processed — not when it’s dropped off — potentially causing tax returns and payments mailed by the deadline to be considered late. The American Institute of CPAs warns this could lead to penalties and urges taxpayers to use electronic filing or certified mail with extra precautions, especially ahead of tax deadlines and California’s upcoming mail-in primary election.

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