The City Forester may adopt reasonable rules and regulations governing those aspects of the conduct of the business licensed in this chapter, and of any and all parts thereof, directly affecting the public health and safety and requiring the use of such safety appliances, apparatus and equipment as are reasonably necessary for the protection of the workers engaged therein, the public, and public and private property, and it shall be unlawful for any licensee under this chapter to violate or fail, neglect or refuse to comply with any such rules or regulations. Such rules and regulations shall be approved as to content by the City Attorney or a designate before the rules are put into effect and shall be effective when filed with the City Clerk. (Code 1981 § 45-77. Code 1995 § 150-97.)