Okla. Stat. tit. 65, § 65-2-105: Meetings

The Board shall meet at least once every three-month period.

Additional meetings may be held upon call of the chairman, vice-

chairman, in the absence of the chairman, or the secretary. Four

voting members of the Board shall constitute a quorum. No question

before the Board shall be resolved without the concurrence of at

least four members or a majority of those members voting, whichever

is the greater.