Okla. Stat. tit. 11 § 47-109
Whenever the commission shall have adopted the master plan of the municipality or of one or more major sections or districts thereof no street, square, park, or other public way, ground, or open space, or public building or structure, or other government enterprise, shall be constructed or authorized in the municipality or in the planned section and district until the location, character and extent thereof shall have been submitted to and approved by the commission. In the case of disapproval, the commission shall communicate its specific findings and reasons for disapproval in writing to the council, which shall have the power to overrule the disapproval by a recorded vote of not less than two-thirds of all its members. If the authorization or financing of the public way, ground, space, building, structure, or other governmental enterprise, does not fall within the province of the council, under the law or charter provisions governing same, the submission to the commission shall be by the board, commission or body having jurisdiction, and the commission's disapproval may be overruled by the board, commission or body having jurisdiction by a vote of not less than two-thirds of all its members. If the sponsoring agency is appointive and not elected, the disapproval of the commission cannot be overridden except by a vote of not less than two-thirds of all the members of the council. The failure of the commission to act within sixty (60) days after the date of official submission to the commission shall be deemed approval.
Okla. Stat. tit. 11, § 47-109