It is the purpose of this subchapter to increase the likelihood of orderly development and to provide an incentive for coordinated multi-community economic development by permitting 2 or more communities to share their tax base. [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).]