Okla. Const. art. XVIII, § 5(b)

Petition - Calling election - Result of election. Whenever a petition signed by a number of qualified electors of any municipal corporation equal to twenty-five per centum of the total number of votes cast at the next preceding general municipal election, demanding that a franchise be granted, extended, or renewed, shall be filed with the chief executive officer of said corporation, the chief executive officer shall, within ten days thereafter, call a special election, at which he shall submit the question of whether or not such franchise shall be granted, extended, or renewed, and if, at said election, a majority of the said electors voting thereon shall vote for the grant, extension, or renewal of such franchise, the same shall be granted by the proper authorities at the next succeeding regular meeting of the legislative body of the city.