It is the duty of the Director of Consumer Protection and Business Licensing, annually, on or before January 1 in each year, to purchase a sufficient number of tin plates, numbered with plain conspicuous figures, beginning with number 1, and so on progressively, 2 of each to correspond with the number of the carriage, boat, or scow, and also to purchase suitable dies for the arithmetical numbers. The figures standing for the year in which those numbers were issued shall be stamped on the top of each numbered plate. The plate shall be of suitable size and description in the discretion of the Director of Consumer Protection and Business Licensing, and paid for out of the appropriation for general licenses. It is the duty of the Director of Consumer Protection and Business Licensing to furnish for each licensed carriage, boat, or scow, 2 of these tin plates, with number corresponding with the number of the license, and the record of that carriage, boat, or scow. These numbered plates shall be fastened on each side of and the most conspicuous part of the carriage, boat, or scow, so that the numbers may be plainly seen. The Director of Consumer Protection and Business Licensing shall furnish to those who take out private carriage licenses, a single number, painted upon a tin plate that shall not measure more than 2¾ x 2 inches, which number shall be placed upon the hindermost part of the hind axle of the carriage by the owner or owners. City Code, 1879, art. 8, §30 1893, art. 8, §31 1927, art. 4, §120 1950, art. 38, §52 1966, art. 31, §67 1976/83, art. 15, §34 Rev. Ords. 1858-032 Ord. 1891-022 Ord. 66-887 Ord. 75-881 Ord. 99-526