The power to change the venue in civil and criminal cases shall be vested in the courts, to be exercised in such manner as shall be provided by law; and the Legislature shall pass laws for that purpose.
POWER OF COURTS TO CHANGE VENUE
Tex. Const. art. 3, § 45, under Legislative Department.
Tex. Const. art. 3, § 45
POWER OF COURTS TO CHANGE VENUE