US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-155 — SAFETY STANDARDS FOR CONSTRUCTION WORK296-155-203WAC 296-155-203WAC 296-155-203. Confined spacesLast amended: 2016Year: 2026Length: 20 wordsOfficial source All work conducted in a confined space must comply with the provisions of chapter 296-809 WAC, and the following sections.PreviousWAC 296-155-201NextWAC 296-155-205