Okla. Stat. tit. 11, § 11-41-104: Plats must be certified and acknowledged

When the plat or map is completed, it shall be certified by a

registered land surveyor who has prepared it and the landowner. At

or before the time of offering the plat or map for record, the plat

or map must be acknowledged before some person authorized to take

acknowledgment of deeds. A certificate of such acknowledgment shall

be endorsed on the plat or map. The certificate of the survey and

acknowledgment shall also be recorded and form a part of the record.