Manufactured home installation work which falls within the scope set forth in RCW 43.22A.010(6) shall not be performed on a manufactured home without the on-site supervision of a certified manufactured home installer. Some categories of installation work are exempt from certification requirements in accordance with RCW 43.22A.120, WAC 296-150I-0105 and 296-150I-0110.
Wash. Admin. Code § 296-150I-0100
Statutory Authority: Chapter 43.22A RCW and 2007 c 432. 08-12-040, § 296-150I-0100, filed 5/30/08, effective 6/30/08.