How can I resolve a bill that I received that lists interest and delinquent filing penalties when I filed my tax return on time and have a certified mail receipt to prove it?


Send a copy of your certified mail receipt and a copy of the assessment notice to the Collection Division, P.O. Box 66658, Baton Rouge, LA 70896-6658. You may also fax the documents to the Collections Division for individual income tax to (225) 219-2256, attention Enforcement Section or to (225) 219-0865, attention Resolution and Recovery Section for business taxes.

Filing Dates


News & Announcements

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.

June 16, 2025

Suspects arrested, products seized and businesses closed in multi-agency vape crackdown

BATON ROUGE – A multi-agency state and federal crackdown on unauthorized vape products in Louisiana resulted in ten arrests and more than $1 million worth of illegal vape pens, pods, juices and other products taken off the streets.


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