Oklahoma I Business State Tax Extension I Fiduciaries

Modified on Thu, 23 Jan at 11:14 AM

Business Entity Type	Fiduciaries
Filing Status	Approved with Federal
Extension Information	* Oklahoma grants an automatic extension if a valid federal extension is obtained and at least 90% of the tax due is paid by the original return due date. * A copy of the federal extension must be enclosed with the final return when filed. * The extension is NOT an extension to pay any taxes you may have due. Tax payments are due by the original return due date. * 6-month automatic extension if federal extension is filed by the original due date of return and no tax is due. Additional 1-month extension may be granted if Form 504 is filed by the extended due date.
Online Payment	Oklahoma \| Online Tax Extension Payment
State Payment Agency	Oklahoma Tax Commission
Late Filing Penalty	25% of the amount of the assessment.
Late Payment Penalty	10% is added to the amount of delinquent tax.
Tax Year	2024
Payment Voucher	Form 504-C \| Application for Extension of Time to File an Oklahoma Income Tax Return for Corporations, Partnerships, and Fiduciaries
Mailing Address	Oklahoma Tax Commission P.O. Box 26890 Oklahoma City, OK 73126-0890
Original Due Date	15-Apr-25
Extended Due Date	15-Oct-25