Where a conflict exists between the provisions of Appendix I and the manufacturer's installation instructions, the conditions of the listing and the manufacturer's installation instructions shall apply.
Wash. Admin. Code § 51-56-004
Statutory Authority: RCW 19.27.074, 19.27.031 and chapters 19.27 and 34.05 RCW. 13-04-054, § 51-56-004, filed 2/1/13, effective 7/1/13.