Tex. Spec. Dist. Code § 1070.151
(a) The district may annex territory that is not located in:
(b) Territory may be annexed in one or more tracts. Each tract must be contiguous to:
Added by Acts 2007, 80th Leg., R.S., Ch. 920 (H.B. 3166), Sec. 1.02, eff. April 1, 2009.