Do I have to get an exemption certificate on all my customers making an exempt purchase?


The documentation required depends on the sales transaction and the purchaser. All transactions exempt from sales tax must be properly documented. Louisiana does not accept other state exemptions or the multi-state exemption certificate. Exemptions are not transferable which means the certificate holder must be the purchaser to qualify. Sales transactions in bona fide interstate commerce would be documented with the purchase, invoice and bill of lading. A drop shipment letter is needed to document a third party sales transaction in bona fide interstate commerce. Call (855) 307-3893 and follow the prompts or email [email protected] for additional information if needed.

Filing Dates


News & Announcements

August 12, 2025

Guilty plea resolves fraud investigation related to Hurricane Ida recovery

A guilty plea in a Baton Rouge criminal court closes the investigation into a fraud case related to the recovery process following Hurricane Ida in 2021.

July 31, 2025

New penalties for Kratom in effect Aug. 1

Starting Aug. 1, 2025, severe new penalties are in effect for the possession of the herbal supplement known as Kratom. Kratom is sold often as an energy booster, pain reliever and mood lifter. Its potential harmful side effects include liver toxicity, seizures and death.

July 28, 2025

Millions in state tax refunds moving to Unclaimed Property if taxpayers don’t claim them

BATON ROUGE – Louisiana taxpayers have until Sept. 6, 2025, to claim millions of dollars in state tax refunds before they become unclaimed property.


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