1 Tex. Admin. Code § 81.150
The presiding co-judge and alternate co-judge must be a qualified voter of the joint or consolidated or combined joint precinct. If a co-judge and alternate co-judge cannot be found for an individual precinct, then no joint primary will be held for that precinct. The precinct must be consolidated or combined with another precinct for which a co-judge and alternate co-judge have been listed.
Source Note:The provisions of this §81.150 adopted to be effective December 15, 1997, 22 TexReg 12037.