For purposes of Article XV, Section 6, of the Texas Constitution, "incompetency" means:
(1) gross ignorance of official duties;
(2) gross carelessness in the discharge of official duties; or
(3) inability or unfitness to promptly and properly discharge official duties because of a serious mental or physical defect that did not exist at the time of the judge's election.
Official text of the Texas Government Code as published by the Texas Legislative Council.