IRS Authorized E-file Provider for Tax Extension Forms

Louisiana
State Business Tax Extension

Louisiana (LA) Requires:

  • Businesses in Louisiana are required to file the federal extension Form 7004 in addition to a state extension form.
  • C-Corporations &
    S-Corporations should file Form CIFT-620EXT to apply for a 7-Month Extension of Time to File Business Income Tax Form CIFT-620.
  • Businesses that are required to file the Composite Partnership Tax Form R-6922 can request an automatic extension by filing Form R-6467S
  • Fiduciaries that are required to file Form IT-541 can apply for an automatic extension using Form R-6466.
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An Overview of Louisiana State Business Income Tax Extension Forms

- Updated Feb 27, 2021 - 8.00 AM by Admin, ExpressExtension

Table of content

1. Does Louisiana support tax extension for business income
tax returns?

2. What Form does the state require to file an extension?

3. Deadline to file an extension with the Louisiana State

4. Paying balance due along with Extension

5. Mailing Address for filing Extension with the State

Does Louisiana require businesses to file a separate state business tax extension?

Yes. If a business has not filed a federal tax extension or their extension was rejected by the IRS, they should file a separate state form to extend the deadline of their state
tax return.

What extension form does the State of Louisiana require?

For Corporation & Franchise Taxes
(Including S & C Corporations)

Businesses that operate as a corporation or an
S-corporation in Louisiana are required to file the state Form CIFT-620EXT to obtain a 7-month extension of time to file their business income tax return.

  • Form CIFT-620EXT - Request for
    7-Month Extension to File
    (for C-Corporation & S-Corporation)

Note: The Louisiana Corporation & Franchise tax must be filed electronically using https://esweb.revenue.louisiana.gov/OnlineTaxExtensions/

Composite Partnership Tax

Businesses operating (as Composite Partnerships) in Louisiana need to file Form R-6467S to obtain a 6-month extension of time to file their business income tax return with
the state.

  • Form R-6467S - Request for
    Six-Month Extension to File
    (for Composite Partnership)

Note: Louisiana Composite Partnership tax must be filed electronically using https://esweb.revenue.louisiana.gov/OnlineTaxExtensions/

For Fiduciaries

Businesses operating (as Fiduciaries) in Louisiana need to file Form R-6466 with the state to obtain a 6-month extension of time to file their business income tax return with
the state.

  • Form R-6466 - Request for
    Six-Month Extension to File
    (for Fiduciary)

Note: Make sure to pay any taxes due when filing the extension Form to avoid penalties and interest.

When is the deadline to file Form CIFT-620EXT, Form
R-6467S & Form R-6466 with the state
of Louisiana?

Louisiana General Corporation Tax Extension
(For S & C Corporation)

Louisiana State General Business Corporation tax extension Form
CIFT-620EXT is due within 4 months and 15 days following the end of the corporation reporting period.

Form CIFT-620EXT grants an automatic 7-month extension of time to file Form
CIFT-620.

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

Louisiana Composite Partnerships

The Louisiana State Composite Partnership tax extension Form R-6467S is due within 5 months and 15 days following the end of the Composite Partnership’s
reporting period.

Form R-6467S grants an automatic 6-month extension of time to file Form R-6922.

Louisiana Fiduciaries

The Louisiana State Fiduciaries tax extension Form R-6466 is due within 5 months and 15 days following the end of the Fiduciary reporting period.

Form R-6466 grants an automatic
6-month extension of time to file Form IT-541.

How do I pay my balance due along with the extension Form?

You can choose to pay your balance due along with your return by using any one of the following options:

  • Pay Your Corporation Balance due using the Payment Voucher,
    CIFT-620EXT-V.
  • This voucher is applicable for corporation tax filers that have filed their extension request electronically and are not required to submit their payments through electronic funds transfer. An Electronic Funds Transfer payment is required if the payment exceeds $5,000.
  • If You are failed to pay, A late payment penalty of up to 25 percent may also
    be imposed.
  • For composite partnership tax due, mail in a check or money order with the electronically filed extension payment voucher, Form R-6467V.
  • An Electronic Funds Transfer (EFT) payment is required for all payments of tax due that exceed $5,000.
  • By credit card at Officialpayments.com.

Where do I mail the extension Form R-6466?

Mail this voucher with your payment to:

Address Icon
Louisiana Department of Revenue,
P.O. Box 751,
Baton Rouge, LA 70821-0751.