Powers and duties of heads of departments.
Section 18
SEC. 18. Powers and duties of heads of departments.— Each head of department of the city government shall be in control of such department and shall possess such powers and obligations as may be prescribed herein or by ordinance. He shall certify to the correctness of all pay rolls and vouchers of his department covering the payment of money before payment, except as herein otherwise expressly provided. At least four months before the beginning of each fiscal year, he shall prepare and present to the Mayor an estimate of the appropriation necessary for the operation of his department during the ensuing fiscal year, and shall submit therewith such information for purposes of comparison as the Mayor may desire. He shall submit to the Mayor as often as required reports covering the operations of his department. In case of inability due to absence or sickness, of the head of one of the city departments, the acting head of the department or the officer next in charge of that department shall act in his place with authority to sign all necessary papers, vouchers, requisitions, and so forth.