Each employer shall use his employment records from the first day of January, 1976, to March 31, 1976, for determining the number of employees from whom such tax shall be deducted and paid over to the Collector on or before April 30, 1976. Supplemental reports shall be made by each employer on July 31, 1976, and October 31, 1976, and January 31, 1977, of new employees as reflected on his employment records from April 1, 1976, to June 30, 1976; from July 1, 1976, to September 30, 1976; and from October 1, 1976, to December 31, 1976. Payments on these supplemental reports shall be made on July 31, 1976, October 31, 1976, and January 31, 1977, respectively. The same dates shall apply annually hereafter. (Ord. 1502. Passed 2-16-76.)