US lawWashingtonRegulationsTitle 296 — LABOR AND INDUSTRIES, DEPARTMENT OFChapter 296-150M — MANUFACTURED HOMES296-150M-0331WAC 296-150M-0331WAC 296-150M-0331. Does my alteration permit expire?Last amended: 2016Year: 2026Length: 13 wordsOfficial source Yes, your alteration permit will expire one year after the date of purchase.PreviousWAC 296-150M-0330NextWAC 296-150M-0340