Form FRX-200, Oklahoma Annual Franchise Tax Return, is not supported in TaxSlayer Pro. A corporation is required to file Form FRX-200 if it did not complete Form 512 Section 2.
Form FRX-200 can be completed and payments can be submitted online at the Oklahoma Taxpayer Access Point (OkTAP) here.
Additional Information:
FRX-200 OK Annual Franchise Tax Return
Form 512-S OK Small Business Corporation Income and Franchise Tax Return