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Oklahoma Corporation & LLC Filing Requirements

The following is provided for informational purposes only and should not replace the advice of professional counsel. Although we make every effort to keep the information presented here up to date, states continuously change their policies, forms, fees, and information. Because of this, we make no guarantees as to the accuracy of the information presented in this current revision. Please report any problems you may encounter with moved or broken links on this page by clicking here. (Make sure to include the state and the defective link names in your e-mail.) Last update: July 25, 2011

If you have further questions regarding business taxes, need additional tax forms, or want to communicate with your state's tax division, here is the agency's contact information.

Oklahoma State Statutes

Business Licenses

Contact your state or local agencies regarding licensing issues.

Corporation Tax Returns

Tax:	The income tax rate is 6% of taxable income. The franchise tax rate is $1.25 per $1,000 of Oklahoma capital. The minimum tax is $10 and the maximum is $20,000. If the return is filed after August 31st, the tax is subject to a 10% penalty. Foreign corporations are also required to pay a $100 registered agent fee with the tax return.   For nonresident members, S corporations, that make distributions subject to Oklahoma withholding, must register with the Oklahoma Tax Commission. Register by completing the registration form "Registration for Oklahoma Withholding for Nonresident Members"  (Form OW-11). This form may also be obtained by calling the forms request line at (405) 521-3108.   NOTE: A moratorium has been placed on Oklahoma Franchise tax.  Every entity doing business in Oklahoma is required to file a Business Activity Tax using Form BT-190.
Forms:	Franchise Tax Form 200 - Annual Franchise Tax Form with Instructions (use Form BT-190) Form 215 - Filers of Minimum/Maximum Franchise Tax (use Form BT-190) Form 512 - 2010 Corporate Income Tax Booklet Form 512S - 2010 S Corporation Income Tax Booklet Forms List - Current Corporate Income Tax Forms
Due Date:	The Oklahoma Minimum/Maximum Franchise Tax Return is due by July 1st and is considered delinquent and subject to penalty if not paid by August 31st.   Corporate Income Tax is due by the 15th day of the third month following the close of the tax year, or by March 15th for calendar year filers.

LLC Tax Returns

Tax:	The income tax rate is 6% of taxable income. The franchise tax rate is $1.25 per $1,000 of Oklahoma capital. The minimum tax is $10 and the maximum is $20,000. If the return is filed after August 31st, the tax is subject to a 10% penalty.   NOTE: A moratorium has been placed on Oklahoma Franchise tax.  Every entity doing business in Oklahoma is required to file a Business Activity Tax using Form BT-190.
Forms:	Franchise Tax Form 200 - Annual Franchise Tax Form with Instructions (use Form BT-190) Form 215 - Filers of Minimum/Maximum Franchise Tax (use Form BT-190) Form 514 - 2010 Income Tax Booklet (if filing as a Partnership) Form 512 - 2010 Income Tax Booklet (if filing as a Corporation) Forms List - Current Corporate Income Tax Forms
Due Date:	The Oklahoma Minimum/Maximum Franchise Tax Return is due by July 1st and is considered delinquent and subject to penalty if not paid by August 31st.   Partnership Income Tax is due by the 15th day of the fourth month following the close of the tax year, or by April 15th for calendar year filers.   Corporate Income Tax is due by the 15th day of the third month following the close of the tax year, or by March 15th for calendar year filers.