US lawWashingtonRegulationsTitle 212 — STATE PATROL (FIRE PROTECTION)Chapter 212-90 — FIRE PROTECTION SPRINKLER FITTING212-90-005WAC 212-90-005WAC 212-90-005. ApplicabilityLast amended: 2023Year: 2026Length: 23 wordsOfficial source This chapter applies to any person performing as a fire protection sprinkler system contractor or certificate holder as defined in chapter 18.270 RCW.PreviousWAC 212-90-001NextWAC 212-90-010