Texas Election Code - ELEC § 33.0605. Observing Data Storage Sealing and Transfer

(a) A watcher appointed to serve at a polling place in an election who is available at the time of the action may observe all election activities relating to closing the polling place, including the sealing and transfer of a memory card, flash drive, hard drive, data storage device, or other medium now existing or later developed used by the voting system equipment.

(b) Notwithstanding any other provision of this code, a watcher duly accepted for service at a polling location is entitled to follow the transfer of election materials from the polling place at which the watcher was accepted to a regional tabulating center, the central counting station, or any other location designated to process election materials.  The authority responsible for administering a regional tabulating center or another location where election materials are processed must accept duly appointed watchers for service in the same manner a watcher is accepted for service under Section 33.051 and must accept the same number of watchers that may serve under Section 33.007(a).