Okla. Stat. tit. 16, § 95

Every deed or other instrument affecting real estate, executed by a corporation, must be acknowledged by an officer or attorney-in- fact subscribing the name of the corporation thereto, which acknowledgment may be in substantially a form as provided for in the Uniform Law on Notarial Acts or in substantially the following form: State of Oklahoma,)) ss. __________ County.) Before me, a ____ in and for this state, on this ____ day of ____, ____ personally appeared ____ to me known to be the identical person who subscribed the name of the maker thereof to the foregoing instrument as its (attorney-in-fact, president, vice-president, chair, or vice-chair of the board of directors or mayor, as the case may be) and acknowledged to me that ________ executed the same as ______ free and voluntary act and deed, and as the free and voluntary act and deed of the corporation, for the uses and purposes therein set forth.