Tex. Election Code § 271.010: CUSTODIAN OF ELECTION RECORDS.

The general custodian of election records for elections ordered by an authority of any one of the political subdivisions participating in a joint election may be appointed as the general custodian of election records for the joint election if:

(1) the election records for a common polling place are combined; or

(2) the ballots for more than one of the participating political subdivisions are deposited by the voters in a single ballot box.

Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986.