(6) A vehicle used or provided by a contract security company to assist in traffic control and direction at construction or maintenance sites on a public way may be equipped with auxiliary lights. Effective July 1, 1996, the auxiliary lights must be amber. Prior to July 1, 1996, the auxiliary lights must be green or amber.

(7) A Department of Public Safety vehicle operated by a motor carrier inspector may be equipped with auxiliary lights that emit an amber light.

(8)__A vehicle used by an animal control officer appointed pursuant to Title 7, section 3947 may be equipped with auxiliary lights that emit a flashing amber light.

(9)__A refuse, garbage or trash business vehicle used by an individual to transport refuse, garbage and trash may be equipped with auxiliary lights that emit a flashing amber light.