Texas Election Code - ELEC § 62.001. Officers to Assemble

(a) On election day, the presiding judge and the election clerks the judge assigns to assist with preparing the polling place shall meet at the polling place in time to prepare it to receive the voters.

(b) If the polling place is left unattended at any time after the preparations for voting begin, the presiding judge shall take appropriate steps to provide for the security of the polling place.  This subsection does not affect the security requirements for a polling place after the polls open.