For the purposes of this chapter, the following words and phrases shall have the meanings respectively ascribed to them by this section.

    "Chief of police" means the chief of police of the city of Grass Valley or his designee.

    "For hire" means any use of a horse-drawn vehicle for which any consideration is paid by any person.

    "Horse-drawn vehicle" means and includes any wagon, coach, omnibus, or any vehicle which is powered in whole or in part by a horse, mule, or other animal.

    "Agents" means city officers, employees or affiliates. (Ord. 511 § 1 (part), 1994)