Texas Government Code - GOV'T § 74.057. Assignment by Chief Justice

(a) In addition to the assignment of judges by the presiding judges as authorized by this chapter, the chief justice may assign judges of one or more administrative regions for service in other administrative regions when he considers the assignment necessary to the prompt and efficient administration of justice.

(b) A judge assigned by the chief justice shall perform the same duties and functions authorized by this chapter that the judge would perform if he were assigned by the presiding judge.