An authorized representative of the department may investigate alleged or apparent violations of this chapter. An authorized representative of the department upon presentation of credentials may inspect sites at which a person is doing plumbing work for the purpose of determining whether that person has a certificate or permit issued by the department in accordance with this chapter. Upon request of the authorized representative of the department, a person doing plumbing work shall produce his or her certificate or permit and photo identification.

Finding—Intent—2009 c 36: See note following RCW 18.106.020.

Effective date—1983 c 124: See note following RCW 18.106.020.