2024 Louisiana State Tax Deadlines
Louisiana Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within Louisiana, then you might be required to file Louisiana State Taxes. We look at the most important tax deadlines and tax extensions for Louisiana in 2024.
Louisiana Business Tax Deadlines for 2024
C Corporation
Louisiana C Corporation Tax Deadlines for 2024
You must file & pay Corporate Income Taxes in Louisiana by May 15, 2025.
- File Online with Louisiana Department of Revenue.
- File by Mail must be postmarked by the due date.
Form
- Form CIFT-620 – Louisiana Corporation Income and Franchise Tax Return.
Extension to File Taxes in Louisiana for 2024
You must send payment for taxes in Louisiana for the fiscal year 2024 by May 15, 2025.
The Extension Deadline is November 15, 2025, to file your Louisiana corporate income tax return.
Louisiana automatically grants a 6-month extension for filing corporate income tax returns. This means you do not need to file for an extension in Louisiana.
This is an extension to FILE, not an extension to PAY – payment is still due May 15, 2025.
Pass-Throughs
Louisiana S Corporation & Partnership Tax Deadlines for 2024
You must file in Louisiana by May 15, 2025.
- File Online with Louisiana Department of Revenue.
- File by Mail must be postmarked by the due date.
Forms
- Form IT-565 – Partnership Return of Income
- Form CIFT-620 – S Corporation Income Tax Return
Extension to File S Corporation & Partnership Taxes in Louisiana for 2024
You must send a payment for taxes in Louisiana for the fiscal year 2024 by May 15, 2025.
The Extension Deadline is November 15, 2025, to file your Louisiana pass-through entity tax return.
Louisiana automatically grants a 6-month extension for filing pass-through entity tax returns. This means you do not need to file for an extension in Louisiana.
This is an extension to FILE, not an extension to PAY – payment is still due May 15, 2025.
Louisiana Individual Tax Deadlines for 2024
Estimated Tax Deadline for Louisiana 2024
Estimated tax payments are made:
- April 15, 2024
- June 15, 2024
- September 16, 2024
- January 15, 2025
Individual Tax Deadline for Louisiana 2024
You must file & pay Individual Income Taxes in Louisiana by May 15, 2025.
- File Online with Louisiana Department of Revenue
- File by Mail must be postmarked by the due date
Applicable forms:
- Form IT-540 – Resident Return
- Form IT-540B – Nonresident and Part-Year Resident Return
Extension to File Taxes in Louisiana for 2024
You must send payment for taxes in Louisiana for the fiscal year 2024 by May 15, 2025.
The Extension Deadline is November 15, 2025, to file your Louisiana Individual Income tax return.
Louisiana automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Louisiana.
This is an extension to FILE, not an extension to PAY – payment is still due May 15, 2025.
Sources
- Louisiana Department of Revenue - Filing Deadlines
- Louisiana State Government Individual Filing Information
- Louisiana State Government Tax Forms
The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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