For the purposes of defraying the expense of collection, removal and disposal of "garbage" and yard trash, as defined in section 4-3-1 of this chapter, the City Commission is authorized and directed to charge fees for trash service to the owner or occupant of any premises within the City. Such fees shall be collected by the City Clerk or appointed representatives. Such fees shall be due on the twelfth day after the billing date of the utility bill for services rendered during the preceding month billing period, and such fees shall be charged, assessed and collected in such amounts as set by the City Commission by motion or resolution. (2010 Code § 9-19)