Louisiana Individual Income Tax Forms (Tax Year 2025)

Louisiana individual income taxes are administered by the Louisiana Department of Revenue.
This page provides official resources for Louisiana individual income tax forms for tax year 2025, filed in 2026.

File Louisiana Income Tax Online (2025)

Louisiana provides electronic filing and payment through its official online system.
Taxpayers can file returns, make payments, and manage accounts using LaTAP.

Quick Links (Official Louisiana Department of Revenue)

The official Louisiana Department of Revenue website is available at
Louisiana Department of Revenue.

General information about individual income tax is available on the
Louisiana individual income tax overview page.

Official Louisiana tax forms for all years are available in the
Louisiana Department of Revenue forms library.

Louisiana Individual Income Tax Forms (2025)

Louisiana residents file their state income tax return using
Form IT-540, Louisiana Resident Individual Income Tax Return.

Nonresidents and part-year residents file using
Form IT-540B, Louisiana Nonresident and Part-Year Resident Income Tax Return.

Taxpayers who make estimated payments use Form IT-540ES.

An extension of time to file may be requested using Form R-2868.

Previously filed Louisiana individual income tax returns may be corrected using
Form IT-540X, Amended Individual Income Tax Return.

Louisiana Individual Income Tax Deadlines (Tax Year 2025)

Louisiana individual income tax returns for tax year 2025 are due May 15, 2026.
Approved filing extensions generally run through November 15, 2026.

Estimated tax payments are generally due on May 15, August 15, 2026, January 15, 2027, and May 15, 2027.

Louisiana Taxpayer Resources (2025)

Taxpayers can file returns and make payments using LaTAP.

Additional guidance is available on the
Louisiana individual income tax guidance page.

Contact information for the Louisiana Department of Revenue is available on the official contact page.

Disclaimer

This page links to official Louisiana Department of Revenue resources for informational purposes only.
Tax laws, forms, and filing requirements may change.
Always verify information on the official Louisiana Department of Revenue website.