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2016 Form 504-C - Page 2

Application for Extension of Time to File

an Oklahoma Income Tax Return for

Corporations, Partnerships and Trusts

General Information

An extension of time to file your income tax return shall not be granted unless 90% of the tax liability is paid on or before

the original due date of the return.

Since the Oklahoma return cannot be completed until the Federal return is completed, the Oklahoma Tax Commission has

administratively adopted the policy of honoring the automatic Federal extension, when no additional state tax is due, as an

extension of time to file the Oklahoma return. When you file your Oklahoma return, simply enclose a copy of the Federal

extension.

You only need to use this form to apply for additional time to file your income tax return when you owe additional Oklaho-

ma income tax or do not have a Federal extension. Also use this form when filing for additional time beyond that granted

by the Federal extension. When you file your Oklahoma return, enclose a copy of the Oklahoma Extension.

Remember, you cannot get an extension of time to pay your income tax, but only to file your return. Delinquent pen-

alty of 5% may be charged, if at least 90% of your total tax liability has not been paid by the original due date. Delinquent

interest, at the rate of 1.25% per month, may be charged if 100% of your tax liability is not paid by the original due date of

the return.

Electronic Payment Option

An electronic payment is accepted for an extension payment at There is a convenience fee charged for

utilizing some of the electronic payment services. Retain the confirmation number for your records.

If you make your extension payment electronically, do not mail Form 504-C. When you file your income tax return, simply

enclose a copy of Form 504-C.

Instructions

1. An extension cannot be granted for more than one-half the accounting period covered by the partnership, estate or

trust return (i.e. 6 month extension for a 12 month tax year). In the case of a corporate return, an extension may not

exceed a total of 7 months.

2. Applications for extensions of time must be postmarked on or before the due date for filing the income tax return, or

before the expiration of the automatic Federal extension.

3. This application may not be used to request an extension of time for the payment of tax. Interest will be charged at the

rate of 1.25% per month from the original due date of the return until paid.

4. Any extension granted is pursuant to the provisions of 68 Oklahoma Statute Section 216.

5. Corporations, electing to file a combined Corporate Income and Franchise Tax return on Form 512 or 512-S, should

add any estimated franchise tax payment to line 8.

If filing a stand-alone Oklahoma Annual Franchise Tax Return (Form 200), do not use this form to remit franchise tax.

The remittance of estimated franchise tax must be made on a tentative (estimated) franchise tax return (Form 200).

6. Mail Form 504-C Application for Extension of Time to File an Oklahoma Income Tax Return for Corporations, Partner-

ships and Trusts, with payment if applicable, to:

Oklahoma Tax Commission

Draft

Income Tax

P.O. Box 26890

9/26/16

Oklahoma City, Oklahoma 73126-0890

Form 504-C Draft - Application For Extension Of Time To File An Oklahoma Income Tax Return For Corporations, Partnerships And Trusts - 2016 Page 2