There is levied and shall be collected upon every person engaged in or carrying on the business of garbage collection service within the City a tax equal to 6.0 percent of the total gross income derived from such business conducted within the City. This payment shall be made on a quarterly basis, and shall be due and payable on the date indicated by the statement. (Ord. 2546 § 2 (part), 2010: Ord. 1811 § 1 (part), 1994).