Okla. Stat. tit. 11, § 11-13-108: Deposit of copies for record - Judicial notice

After the approval of the charter by the Governor, duplicate

copies shall be made and one shall be deposited in the office of the

Secretary of State, and the other, after being recorded in the

office of the county clerk of the county in which the situs of the

municipality is located, shall be deposited in the archives of the

municipality. Thereafter the charter shall be judicially noticed in

all court proceedings.