Any municipality may undertake a comprehensive planning program, including related preliminary planning and engineering studies, and prepare, maintain, and implement a plan within its jurisdiction in accordance with this chapter. (Added 1967, No. 334 (Adj. Sess.), § 1, eff. March 23, 1968; amended 1987, No. 200 (Adj. Sess.), § 9, eff. July 1, 1989; 1989, No. 280 (Adj. Sess.), § 4b.)