CHAPTER 142 SUPERVISION OF PLUMBING
- Section 1 Definitions
 - Section 2 Application of statutes
 - Section 3 Master plumbers or gas fitters, journeymen and apprentices; licensing; advertising; display of license or certificate
 - Section 3A Apprentices; licensing; application; employment; on-the-job training, rules and regulations
 - Section 3B Certificates of plumbing or gas fitting corporations or partnerships
 - Section 4 Rules of examiners; qualifications of applicants; applications; examinations; issuance of license; probationary license; credit for veterans
 - Section 4A Plumbers employed by cities, institutions or corporations; installations and repairs
 - Section 5 Fees for licenses and examinations
 - Section 6 Territorial coverage, transfer, term, renewal, fee, suspension and revocation of licenses; names of licensees forwarded to towns; registration
 - Section 6A Licensed plumber or gas fitter continuing education course
 - Section 7 Notice to examiners of violation of statute, ordinance or regulation
 - Section 8 Repealed, 1965, 358, Sec. 1
 - Section 9 Repealed, 1986, 557, Sec. 130
 - Section 10 Inspection districts; expense
 - Section 11 Inspectors appointed from civil service list; approval of plumbing or gas fitting; exemption
 - Section 11A Plumbing and gasfitting inspectors; cities over seventy-five thousand; appointment
 - Section 11B Plumbing and gas fitting inspectors; continuing education
 - Section 12 Additional inspectors; inspector engaging in plumbing or gas fitting work
 - Section 13 Regulations
 - Section 14 Persons learning plumbing and gas fitting businesses
 - Section 15 Reports by inspectors of buildings and boards of health
 - Section 16 Work or employment of workers without required registration or license; violation of statute, ordinance or regulation by persons, cities or towns
 - Section 17 Statements by manufacturer on range boilers and water heaters; certificates relative to cast iron water fronts, heater elements and hot water tanks
 - Section 18 Construction, installing, relocating and repairing requirements; capacity; strength; solder; pressure
 - Section 19 Safety devices for hot water tanks; statements by manufacturer; approval; pipes and fittings
 - Section 20 Installed or junked range boilers
 - Section 21 Buildings owned, used and constructed by commonwealth
 - Section 21A Permits for plumbing and gas fitting work; proof of liability insurance or bond
 - Section 22 Enforcement and violation of statutes