Okla. Stat. tit. 11, § 11-37-228: Acceptance of work after completion in accordance with

plans.

Upon the completion of the improvement, the governing body shall

determine whether or not the work has been completed in accordance

with the plans, specifications and contract therefor. If the

governing body finds the work to be in compliance, it shall accept

the same. When the work is so accepted, the action shall be

conclusively binding upon all persons interested and upon the court.