Any county may expend funds to be accounted for as other money of the county for the purchase of accident and disability insurance on a county-wide basis, protecting all persons whether part-time, full-time or on-call, and whether paid or unpaid, while acting as firefighters for any municipal fire department or incorporated volunteer fire association.   [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).]