{"data":{"id":"us-ma/mass.-gen.-laws-ch.-146-84","jurisdiction":"us-ma","citation":"Mass. Gen. Laws ch. 146, § 84","heading":"License requirement","body":"Section 84. No person shall engage in the business of a master pipefitter, work as a journeyman or apprentice pipefitter, work as a refrigeration technician or work on a fire protection sprinkler system as a fire protection sprinkler system contractor or as a sprinkler fitter or apprentice sprinkler fitter, unless that person is lawfully licensed under section 85 or section 85A.","path":["Part I","Title XX","Chapter 146"],"source_url":"https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXX/Chapter146/Section84","current_through":"amendments passed before May 31, 2026","vintage":"","retrieved_at":"2026-09-17T05:23:24Z","sha256":"199fdebeb99e54f53401b6965b7cedac0bc25281dd50759443034199502539fe","source_id":"us-ma","stale":false,"prev":"us-ma/mass.-gen.-laws-ch.-146-83","next":"us-ma/mass.-gen.-laws-ch.-146-85"},"notice":"GroundRules: Original legal text. Not legal advice."}