A sufficient sum shall be annually appropriated out of any funds in the State Treasury not otherwise appropriated for the expenses certified to pursuant to Section 68802 and to defray the traveling expenses of the justices and officers of the Supreme Court. The money so appropriated shall be subject to the order of the Clerk of the Supreme Court. He shall disburse such money on proper vouchers, and account for it in annual settlements with the State Controller on the first Monday of December of each year.