Okla. Stat. tit. 70 § 5-113.2
Any school board member who, before serving or while serving on the board of education, initiated litigation against the school district, school board of education, or an individual board member of the board of education on which he/she serves, or who is a governing member of a group, organization, or entity that has authorized and initiated litigation against that school district, school board of education, or an individual board member of the board of education on which he/she serves, may be excluded upon a majority vote of the board members from any executive session where the litigation is discussed or from any other form of participation in the board's defense of the litigation, including any vote on issues related to that legal action.
Okla. Stat. tit. 70, § 5-113.2