*** CHANGE IN 2026 *** (SEE 2472-S.SL) ***
An authorized representative of the director must investigate alleged violations of this chapter. Upon request of an authorized representative, a person performing fire protection sprinkler fitting or residential sprinkler fitting work must produce evidence of a certificate issued by the director in accordance with this chapter. Failure to produce such evidence is an infraction as provided by RCW 18.270.020.