Louisiana Sales Tax Permit Cost (2026)
Registering for a sales-tax permit (seller's permit) in Louisiana is free. Free registration through the geauxBIZ combined business portal. You'll need it before you can legally collect sales tax from customers.
Verified July 2026 from official sources. How we verify fees.
What it costs in Louisiana
- Registration fee: Free
- Renewal: No renewal
- Resale certificate: free / self-issued
- Also needed: an EIN (free from the IRS) and usually a registered business
How it works
You register through the Louisiana Department of Revenue, usually online, and receive your permit (often the same day). Free registration through the geauxBIZ combined business portal. A sales-tax permit is separate from forming the business itself — see our Louisiana LLC and DBA cost pages for those fees.
Frequently asked questions
How much is a sales tax permit in Louisiana?
It's free to register for a seller's permit in Louisiana.
Do I need a sales tax permit in Louisiana?
Yes, if you sell taxable goods or services in Louisiana — you must register before collecting any sales tax from customers.
Does a Louisiana sales tax permit expire?
Renewal: no renewal.