Tex. Elec. Code § 33.0015

The purpose of this chapter is to preserve the integrity of the ballot box in accordance with Section 4, Article VI, Texas Constitution, by providing for the appointment of watchers. It is the intent of the legislature that watchers duly accepted for service under this chapter be allowed to observe and report on irregularities in the conduct of any election, but may not interfere in the orderly conduct of an election. To effect that purpose, a watcher appointed under this chapter shall observe without obstructing the conduct of an election and call to the attention of an election officer any observed or suspected irregularity or violation of law in the conduct of the election.