How do I make an extension payment for my Louisiana Corporation Income and Franchise taxes return?


An electronic payment can be made through tax preparation software that supports the option, through LaTap; or by credit card at Officialpayments.com. If you need to mail in a check or money order, you must use the Extension Payment Voucher, Form CIFT-620Ext-V. This voucher can be printed through the Online Payment Voucher application and mailed to Post Office Box 751, Baton Rouge, LA 70821-0751. (Question & answer revised January 10, 2023)

Filing Dates


News & Announcements

January 29, 2025

Louisiana state income tax filing begins Wednesday, Jan. 29

Louisiana Department of Revenue (LDR) will begin accepting 2024 state individual income tax returns on Wednesday, Jan. 29, 2025.

January 08, 2025

To reduce costs, LDR to cease mailing state sales tax returns to businesses

Louisiana Department of Revenue will cease printing and mailing copies of the Louisiana state sales tax return to businesses registered for sales tax in the state.

December 11, 2024

Tax preparer faces multiple felony fraud charges

A Terrebonne Parish woman faces multiple felony charges for the attempted theft of thousands of dollars in fraudulent state income tax refunds.


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