Okla. Stat. tit. 6, § 2001.3

The State Credit Union Board may meet as often as necessary to carry out its duties, but it shall not fail to meet at least once in any calendar year. The Bank Commissioner may call additional meetings of the State Credit Union Board upon at least twenty-four (24) hours' notice and shall do so upon request of two members. A majority of the State Credit Union Board shall constitute a quorum and action taken by a majority of those present at any meeting at which a quorum is present shall be the action of the State Credit Union Board.