Okla. Stat. tit. 16, § 16-93: Manner of execution by corporation

Every deed or other instrument affecting real estate made by a

corporation must have the name of such corporation subscribed

thereto either by an attorney-in-fact, president, vice-president,

chairman or vice-chairman of the board of directors of such

corporation.

R.L. 1910, § 1186; Laws 1987, c. 146, § 26, emerg. eff. June 24,

1987; Laws 1994, c. 238, § 4, eff. Sept. 1, 1994.