Louisiana DOR Issues Notice About Timeliness of Mail-In Income Tax Filings, Payments

Feb. 4, 2026, 7:53 PM UTC

The Louisiana Department of Revenue (DOR) issued an important notice about mailed-in income tax filings and payments. The notice stated that effective immediately, the DOR was advising taxpayers that a change in how the U.S. Postal Service applies postmarks to mailed items may affect the timeliness of mailed Louisiana tax returns and tax payments. The notice provided additional information to help taxpayers avoid late filings and payments. [La. Dep’t of Revenue, Important Notice About Mail-In Tax Filings and Payments, 02/04/26]

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