Okla. Stat. tit. 60, § 178.11
Every conveyance, assignment, or other transfer of any estate in real property, executed by a trust, must be acknowledged by the president or chair of the trust subscribing the name of the trust thereto, which acknowledgment shall 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 )
The foregoing instrument was acknowledged before me this (Date) by (Name), President or Chair of (Name of Trust), a public trust, on behalf of the trust.
(Signature of person taking acknowledgment)
(Title or Rank)
(Serial number, if any)
Laws 1981, SB 275, c. 30, § 3; Amended by Laws 1999, SB 317, c. 104, § 4, emerg. eff. April 19, 1999 (superseded document available).