Inspectors of plumbing shall annually, before February 1st, make a full report in detail to their respective municipalities and to the department of all their proceedings during the previous calendar year under this subchapter.   [PL 1987, c. 737, Pt. A, §2 (NEW); PL 1987, c. 737, Pt. C, §106 (NEW); PL 1989, c. 6 (AMD); PL 1989, c. 9, §2 (AMD); PL 1989, c. 104, Pt. C, §§8, 10 (AMD).]