 Once conditions are met, the call is filed with the President Pro Tempore of the Senate and the Speaker of the House of Representatives who must issue a join order for the convening of the special session.According to Section 16 of Article Six of the Oklahoma Constitution, the Speaker of the Oklahoma House of Representatives is third in the gubernatorial line of succession behind the Lieutenant Governor of Oklahoma and the President pro tempore of the Oklahoma Senate.No speaker has ever become the governor in that manner.