Tex. Educ. Code § 13.1521
If a resolution in favor of consolidation has been adopted by the board of trustees of each school district proposed to be consolidated into a particular single district, none of those boards of trustees may receive or consider a petition requesting detachment and annexation under Subchapter B without the consent of each of the other of those boards of trustees:
Added by Acts 2013, 83rd Leg., R.S., Ch. 336 (H.B. 2016), Sec. 1, eff. June 14, 2013.