It shall be the duty of the chiefs of police, or the Washington state patrol, in cities having a population of over five thousand persons, and in all other cases the Washington state patrol, to make periodic inspection of the hulk hauler's or scrap processor's premises and records provided for in this chapter, and furnish a certificate of inspection to the director in such manner as may be determined by the director: PROVIDED, That the above inspection in any instance can be made by an authorized representative of the department.

The department is hereby authorized to enlist the services and cooperation of any law enforcement officer or state agency of another state to inspect the premises of any hulk hauler or scrap processor whose established place of business is in that other state but who is licensed to transport automobile hulks within Washington state.