Procedures governing settlement of final tax liabilities, pursuant to this Part, are exclusive and must be clearly distinguished from procedures required for the filing of a timely protest of a proposed tax assessment or a timely demand for hearing relating to a denial of a claim for refund of taxes as set out in 710:1-5-21 through 710:1-5-49. The procedures for the filing, consideration, and disposition of petitions for abatement or adjustment of a tax assessment pursuant to the provisions of 68 O.S. § 221 (E) are set out in 710:1-5-70 through 710:1-5-78. Procedures for settlement of disputed, unliquidated tax claims or assessments are set out in 710:1-5-13.
Okla. Admin. Code § 710:1-5-92