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

June 16, 2025

Suspects arrested, products seized and businesses closed in multi-agency vape crackdown

BATON ROUGE – A multi-agency state and federal crackdown on unauthorized vape products in Louisiana resulted in ten arrests and more than $1 million worth of illegal vape pens, pods, juices and other products taken off the streets.

June 12, 2025

Louisiana men arrested for gambling-related tax fraud scheme

BATON ROUGE – Two Louisiana men face felony charges for their alleged involvement in a scheme to steal of hundreds of thousands of dollars in state income tax refunds.

May 14, 2025

Tax preparer arrested for gambling-related tax fraud scheme

A Louisiana tax preparer faces felony charges over an alleged scheme to steal tens of thousands of dollars in fraudulent income tax refunds.


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