Sec. 6.011.  AUTHORITY TO CHANGE TO TYPE A GENERAL-LAW MUNICIPALITY.  (a)  A municipality incorporated in any manner other than as a Type A general-law municipality may change to a Type A general-law municipality if the municipality:
(1)  has 600 or more inhabitants;
(2)  contains one or more manufacturing establishments within its corporate limits;  or
(3)  is incorporated under any law of the Republic of Texas.
(b)  A municipality that makes the change shall operate under the law applying to a Type A general-law municipality instead of operating under any charter or law that previously governed the municipality.
Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.