§ 10. Department of labor; commissioner of labor. There shall continue to be in the state government a department of labor. The head of the department shall be the commissioner of labor. The commissioner of labor shall be appointed by the governor, by and with the advice and consent of the senate and hold office until the end of the term of the governor by whom he was appointed, and until his successor is appointed and has qualified. The present commissioner of labor shall be the head of such department and shall hold office until the expiration of his present term and until his successor is appointed and has qualified, subject to the provisions of the public officers law. Whenever the industrial commissioner is referred to or designated in any law, rule, regulation, contract or document heretofore or hereafter enacted, adopted or executed, such reference or designation shall be deemed to refer to the commissioner of labor.