A municipality may raise or appropriate money to: [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).]
1. Duties. Perform any of the duties required of it by law; and
2. Authorized by law. Provide for any operations authorized by law which, by their nature, require the expenditure of money.