Okla. Stat. tit. 59, § 59-475.22a: Surveying documents - Conditions of filing

It shall be unlawful for the registrar of deeds or the county

clerk of any county or proper public authority to file any map,

plat, survey or other documents within the definition of surveying

which do not have impressed thereon and affixed thereto the personal

signature and seal of a professional surveyor by whom or under whose

direct supervision the map, plat, survey or other documents were

prepared.