Sec. 43.901.  CIRCUMSTANCES IN WHICH CONSENT TO BOUNDARIES OR ANNEXATION IS PRESUMED.  A municipal ordinance defining boundaries of or annexing area to a municipality is conclusively presumed to have been adopted with the consent of all appropriate persons, except another municipality, if:
(1)  two years have expired after the date of the adoption of the ordinance;  and
(2)  an action to annul or review the adoption of the ordinance has not been initiated in that two-year period.
Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.  Amended by Acts 2001, 77th Leg., ch. 401, Sec. 1, eff. Sept. 1, 2001.