Okla. Stat. tit. 25, § 25-303: Times and places - Advance notice

All meetings of public bodies, as defined hereinafter, shall be

held at specified times and places which are convenient to the

public and shall be open to the public, except as hereinafter

specifically provided. All meetings of such public bodies, except

for executive sessions of the State Banking Board and Oklahoma

Savings and Loan Board, shall be preceded by advance public notice

specifying the time and place of each such meeting to be convened as

well as the subject matter or matters to be considered at such

meeting, as hereinafter provided.