or nonperformance of any act or duty pertaining to my office, other than the compensation allowed by law; I further swear (or affirm) that I will faithfully discharge my duties as Lieutenant Governor of Oklahoma to the best of my ability." Powers and duties The lieutenant governor is the ex officio president of the Oklahoma Senate. As state senate president, the lieutenant governor oversees procedural matters and may cast a vote in the event of a tie. The lieutenant governor also receives a vote during a joint-session of both the Oklahoma House of Representatives and Oklahoma Senate. By tradition, the lieutenant governor presides less frequently than the President pro tempore of the Oklahoma Senate. Despite the lieutenant governor's legislative role, his or her main function lies in the executive branch as the immediate successor to the governorship in the event of a vacancy. In case of impeachment of the governor, death, failure to qualify, or resignation, the governorship, with its compensation and responsibilities, devolves upon the lieutenant governor for the remainder of the gubernatorial term. In the event of the governor's absences from Oklahoma, or inability to discharge the powers and duties of the office, the lieutenant governor becomes the "acting governor" until the governor returns to the state or the disability is removed. The lieutenant governor presides over or is a member of ten state boards and commissions as per state statute and the Oklahoma Constitution. Relationship with governor When a governor and lieutenant governor are of the same party, the governor often uses the lieutenant governor as the head of board, agency, or commission. This can be seen when Governor Frank Keating appointed Mary Fallin to serve as his Small Business Advocate within his Cabinet. However, when the governor and lieutenant governor are of different parties, the role of the lieutenant governor is minimal. The lieutenant governor can serve as the acting governor. When acting as the governor, the Oklahoma Constitution provides the lieutenant governor with the full powers of the governor, including the power to sign or veto legislation, make political appointments, call out the Oklahoma National Guard, or grant pardons. The need for the lieutenant governor to act as the governor may come about due to the governor's absences from Oklahoma, or his or her inability to discharge the powers and duties of the office. The lieutenant governor holds the powers of the governor until the