Texas Comptroller Alerts Taxpayers to USPS Postmark Policy Change Impacting Tax Filing Deadlines

The Texas Comptroller of Public Accounts has announced a change in the U.S. Postal Service’s postmark policy, effective immediately. Under this new policy, postmarks will be applied later during sorting at regional distribution centers, which may delay postmarks by several days, resulting in tax payments and reports being considered late, even if mailed on time. To avoid potential penalties, taxpayers are advised to use automated reporting systems, mail items early, or request postmarks at retail locations. [Tex. Comptroller of Pub. Accts., Tax Policy News January 2026, 02/02/26]

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