The public necessity, health, safety and general welfare of the city require that the exclusive right to collect and remove, or cause to be collected and removed, garbage and rubbish within the city, shall be vested in the city, and it is unlawful for any person to collect or remove garbage or rubbish within the city, except in accordance with the provisions of this chapter. (Ord. 173 NCS §1; prior code § 13.6.)