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.

What are my filing options for Form L-1?

You can file Form L-1 on paper if you are not mandated to file electronically. To file on paper, you may use the Form L-1 that was mailed to you, the version available on our website, or one that is printed through approved third-party software. If you want to file electronically, you can through LDR’s online service, Louisiana Taxpayer Access Point (LaTAP) Louisiana Taxpayer Access Point (LaTAP) or approved third-party software.