The regular monthly charges for residential services as set forth in Section 51.70 or any additional charges for special, additional or unusual services shall be billed
together with and as a part of the monthly statement issued by the City for water
services, at the same time as all other charges. Garbage and trash collection service
charges shall be itemized separately on that statement. However, the City's Contractor
shall bill the commercial customers as set forth in Section 51.70, the monthly service charges for that service. This may include a late fee in the
amount of one and one-half percent of the unpaid balance for delinquent accounts of
commercial customers.