US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-400A — PLUMBER CERTIFICATION RULES296-400A-033WAC 296-400A-033WAC 296-400A-033. What is the duration of a temporary permit?Last amended: 2016Year: 2026Length: 11 wordsOfficial source A temporary permit is valid for four months and is nonrenewable.PreviousWAC 296-400A-032NextWAC 296-400A-035