Okla. Stat. tit. 70, § 6-101.8
An attorney, representative, or other designee of the school district who has represented or represents a school district or the administration of a school district at a hearing held for the purpose of affording due process rights and requirements for an administrator as provided for in Section 6-101.13 of Title 70 of the Oklahoma Statutes, a teacher as provided for in Section 6-101.26 of Title 70 of the Oklahoma Statutes, or a support employee as provided for in Section 6-101.46 of Title 70 of the Oklahoma Statutes or who has been involved or participated in any prehearing actions of the school district with respect to a recommendation for the termination of employment or nonreemployment of an administrator, teacher, or support employee shall not:
Laws 2013, 1st Extr. Sess., HB 1010, c. 8, § 2, emerg. eff. September 10, 2013.