Sec. 2. This Act does not apply to a city governed by:

(1) Chapter 4, Acts of the 43rd Legislature, 1st Called Session, 1933, as amended (Article 6243a, Vernon's Texas Civil Statutes);

(2) Chapter 101, Acts of the 43rd Legislature, 1st Called Session, 1933, as amended (Article 6243b, Vernon's Texas Civil Statutes);

(3) Chapter 105, Acts of the 47th Legislature, Regular Session, 1941, as amended (Article 6243f, Vernon's Texas Civil Statutes);

(4) Chapter 76, Acts of the 50th Legislature, 1947, as amended (Article 6243g-1, Vernon's Texas Civil Statutes); or

(5) Chapter 75, Acts of the 50th Legislature, 1947, as amended (Article 6243h, Vernon's Texas Civil Statutes).

Acts 1979, 66th Leg., p. 537, ch. 253, Sec. 1, eff. May 24, 1979.