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 the penalties for filing late tax returns?

The delinquent penalty is 5 percent of the tax liability for each 30 days or fraction thereof, not to exceed 25 percent. Interest accrues on any unpaid tax from the due date to the date of payment. Refer to Form R-1111, Tax Interest Rate Schedule, for the applicable monthly interest rates. Form R-1111 is available on LDR’s website at www.revenue.louisiana.gov.

Electronic payments and filings that are submitted late will be assessed a delinquent penalty per LA R.S. 47:1519 and 1520 and will be subject to penalties and interest as set forth in LA R.S. 47:1601 and 1602.

In addition to the delinquent penalties described above, a taxpayer may also incur accuracy-related penalties under LA R.S. 47:1604.1.