Okla. Stat. tit. 60 § 516
There shall be attached to the declaration, at the time it is filed for record, a full and exact copy of the plans of the building, which copy of plans shall be entered of record along with the declaration. Said plans shall show graphically all particulars of the building, including but not limited to, the dimensions, area and location of each unit therein and the dimensions, area and location of common elements affording access to each unit. Other common elements, both limited and general, shall be shown graphically insofar as possible and shall be described in detail in words and figures. Said plans shall be certified to by an engineer or architect, whichever is appropriate to the project, who is authorized and licensed to practice his profession in this State.
Okla. Stat. tit. 60, § 516