The general assembly shall meet in joint session on the same day the assembly first convenes in January of 1979 and every four years thereafter as soon as both houses have been organized, and canvass the votes cast for governor and lieutenant governor and determine the election. When the canvass is completed, the oath of office shall be administered to the persons so declared elected. Upon being inaugurated the governor shall deliver to the joint assembly any message the governor may deem expedient.