My business location or mailing address has changed. How do I get an updated Louisiana Resale Certificate with my new information?


Update your account information through LDR Louisiana Taxpayer Access Point (LaTAP) system.
  1. Access LaTAP,
  2. Click More using the menu bar across the the top
  3. Click Manage Names & Addresses (lower right),
  4. Click the Names tab or Addresses tab as needed,
  5. Follow the prompts.
The resale exemption certificate will automatically issue with the updated address within 2-3 business days from the date the information was updated on LaTAP. Request an updated Louisiana Resale Certificate through the Sales.inquiries@la.govemail box. Be sure to include your sales tax account number, the current address on your account and any requested address changes. You may submit the Form R-6450, Business Taxes Address Change Form using the mailing address, fax number, or email address provided on the form. Allow a minimum of 7-10 business days for the address change request to process.

Filing Dates


News & Announcements

January 29, 2025

Louisiana state income tax filing begins Wednesday, Jan. 29

Louisiana Department of Revenue (LDR) will begin accepting 2024 state individual income tax returns on Wednesday, Jan. 29, 2025.

January 08, 2025

To reduce costs, LDR to cease mailing state sales tax returns to businesses

Louisiana Department of Revenue will cease printing and mailing copies of the Louisiana state sales tax return to businesses registered for sales tax in the state.

December 11, 2024

Tax preparer faces multiple felony fraud charges

A Terrebonne Parish woman faces multiple felony charges for the attempted theft of thousands of dollars in fraudulent state income tax refunds.


How Can This Page Be Better?

LDR wants this website to be useful and easy-to-use for you. We'd like your feedback so we can improve our site.