Important Announcement

Due to critical system updates and the Labor Day holiday, the Louisiana Department of Revenue (LDR) will be closed from 2 p.m. on Friday, Sept. 4, 2026, through Monday, Sept. 7, 2026. In addition to the closure of all LDR offices during this period, all online services including electronic tax filing and payments and the Louisiana Taxpayer Access Point (LaTAP) portal will be unavailable as well. All in-person, telephone and online customer service will resume on Tuesday, Sept. 8.

Once I submit the initial application, what happens next?

Please allow 2-3 weeks to receive your Louisiana Revenue Account Number. Once you receive the account number, please mail the Louisiana Department of Revenue sales return and/or payment to the address on the bottom of the sales return, Louisiana Department of Revenue, Post Office Box 3138, Baton Rouge, LA 70821-3138.