On annexation by a municipality that is in the district, territory that is not in the district becomes part of the district.
Tex. Transp. Code § 451.710
ANNEXATION OF TERRITORY BY MUNICIPALITY
Added by Acts 1999, 76th Leg., ch. 155, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.