The council shall enact all boundary amendments made pursuant to this chapter by ordinance after holding a public hearing. No boundary amendment petition which would redesignate agricultural lands to urban use shall be approved, unless the council indicates its approval of such amendment by two-thirds vote of the entire council.
(Sec. 34-1.8, R.O. 1978 (1987 Supp. to 1983 Ed.)) (1990 Code, Ch. 26, Art. 1, § 26-1.8)