PDFRCW 43.22A.130
Certified installer required on-site—Infraction—Notice.
An authorized representative of the department may issue a notice of infraction if the person supervising the manufactured home installation work fails to produce evidence of having a certificate issued by the department in accordance with this chapter. A notice of infraction issued under this chapter shall be personally served on or sent using a method by which the mailing can be tracked or the delivery can be confirmed to the person named in the notice by the authorized representative.