It shall be the duty of the Director of Finance:to open and keep regular and correct books for the registry and transfer of City stock and certificates of indebtedness; and under the direction of the Board of Finance, to prepare a list of the owners in time for the punctual payment of the interest. For this purpose, the transfer books shall be closed the 15^th of the month previous to the day on which the interest is made payable. City Code, 1879, art. 46, §4 1893, art. 47, §4 1927, art. 43, §5 1950, art. 34, §2 1966, art. 5, §15 1976/83, art. 5, §14 Ord. 46-406