To research the State Statutes for Oklahoma Corporations, LLCs and Partnerships, click here.
The income tax rate is 6% of taxable income. The franchise tax rate is $1.25 per $1,000 of <?XML:NAMESPACE PREFIX = ST1 />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.
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.
Every domestic limited liability company and every foreign limited liability company registered to do business in this state shall file an Annual Certificate each year in the Office of the Secretary of State. The certificate shall confirm it is an active business and must include its principal place of business address. The LLC Annual Certificate filing fee is $25.
The annual certificate is due during the anniversary month of each year.
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.
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.