Corporation EFile Program

Resources for Corporation E-File Program

The Corporation E-file program provides the following:

  1. Electronic filing for the Louisiana corporation income and franchise tax return with the federal income tax return in a single electronic transmission.
  2. Electronic filing for the Louisiana corporation income and franchise tax return alone.
  3. Single point User Authentication by IRS.
  4. Ability to submit schedules and documentation as PDF attachments.
  5. Ability to file a Louisiana corporation income and franchise tax return for any member of a consolidated group.
  6. Ability to file electronically a CIFT-620, including amended return and short period returns.
  7. Option to direct debit if there is a balance due.

Corporation E-file Process

  1. Federal and state tax returns are transmitted through a secure Internet site accessible only to registered users using Extensible Markup Language (XML) technology.
  2. Federal and state returns are either transmitted together in a single submission or in separate submissions.
  3. IRS will forward Louisiana returns to LDR for processing. LDR will return acknowledgements back to IRS, where they can be picked up by transmitters.
  4. Each return acknowledged separately.
  5. Submissions and acknowledgements will be returned in XML format.

Electronic Filing Mandate

  1. Revised Statute 47:1520 authorizes the secretary the discretion to require electronic filing of tax returns or reports by administrative rule. Louisiana Administrative Code (LAC) 61:III.1503 and 1505 were promulgated to require the electronic filing of the corporation income and franchise tax return (Form CIFT-620). Taxpayers are required to file the return electronically for income (franchise) tax periods beginning:
    • 1/1/2018 (1/1/2019) - if their total assets have an absolute value equal to or greater than $500,000.
    • 1/1/2019 (1/1/2020) - if their total assets have an absolute value equal to or greater than $250,000.

Updated February 25, 2025


Filing Dates


News & Announcements

September 02, 2025

Hunters get a tax break during the 2nd Amendment Weekend Sales Tax Holiday, Sept. 5-7

BATON ROUGE – Consumer purchases of firearms, ammunition and a wide range of hunting supplies are exempt from state and local sales tax during the Louisiana Second Amendment Weekend Sales Tax Holiday, Friday, Sept. 5 through Sunday, Sept. 7.

August 26, 2025

LDR partners with OMV in Lafayette to resolve driver’s license suspensions

BATON ROUGE – The Louisiana Department of Revenue (LDR) is partnering with the state Office of Motor Vehicles (OMV) to help Lafayette-area taxpayers resolve driver’s license suspensions.

August 25, 2025

New Orleans-area suspects arrested; products seized in crackdown on illegal vapes

BATON ROUGE – A state task force arrested four people and confiscated tens of thousands of banned substances in the second phase of a statewide crackdown on illegal and unauthorized vape products.


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