US lawMassachusettsRegulations528 CMR — Office of Consumer Affairs and Business Regulation528 CMR 11.00 — Prerequisites for examinations for pipefitters, refrigeration technicians, and sprinkler fitters11.09528 CMR 11.09Definitions.Year: 2026Length: 20 wordsOfficial source All terms shall have the meanings set forth in 528 CMR 2.00: Definitions, unless otherwise defined in 528 CMR 11.00.Previous528 CMR 11.08