The clerk of the Senate shall receive a salary of twenty-five thousand dollars for each regular session of the General Assembly and sixty dollars per day for each day the General Assembly is convened in special session; the assistant clerk of the Senate, twenty-three thousand three hundred fifty dollars for each regular session of the General Assembly and forty-eight dollars per day for each day the General Assembly is convened in special session; the clerk of the House of Representatives, twenty-five thousand dollars for each regular session of the General Assembly and sixty dollars per day for each day the General Assembly is convened in special session; the assistant clerk of the House of Representatives, twenty-three thousand three hundred fifty dollars for each regular session of the General Assembly and forty-eight dollars per day for each day the General Assembly is convened in special session; the chaplains of the Senate and the House of Representatives, ten thousand dollars each for each regular session of the General Assembly and thirty dollars per day for each day the General Assembly is convened in special session; the messengers of the Senate and of the House of Representatives, five thousand four hundred twenty-five dollars each for each regular session and twenty-four dollars per day for each day the General Assembly is convened in special session; which salaries shall be full payment for the performance of all services required of said officers in the discharge of their duties, and for all assistance and all expenses and disbursements not otherwise provided for. The Comptroller shall draw his order on the Treasurer for transportation for said officers, and for the messengers assigned to the speaker of the House, the president pro tempore of the Senate and the minority and majority leaders of the House and Senate and the sergeants-at-arms and assistant sergeants-at-arms of the House and the Senate, between their respective homes and Hartford during the session of the General Assembly at such sum per mile as shall from time to time be determined by the Joint Committee on Legislative Management. The clerk of the Senate and the clerk of the House of Representatives shall, with the approval and consent of the Joint Committee on Legislative Management, obtain such suitable offices and, with the approval of said committee, such office fixtures and supplies, including telephone, as may be necessary to the performance of their respective duties. The Comptroller is directed to draw his order on the Treasurer in payment for the same. The salaries of the clerks and employees of the General Assembly for a regular session shall be paid as follows: In each year, one-fifth of such compensation in the month of February and thereafter one-fifth of such compensation within each succeeding month until such compensation is paid in full or such employee may elect in each year to receive the compensation for such year in twelve monthly installments of substantially equal amount. Compensation for any special session shall be payable monthly during such session.