Tex. Election Code § 161.006: HOLDING PRECINCT CONVENTION OF MORE THAN ONE PARTY IN SAME BUILDING.

A political party may not hold a precinct convention in the same building in which another party is holding a precinct convention on the same day unless:

(1) the rooms in which the conventions are held are separated so that communication from one room to the other is precluded; and

(2) a sign in bold print identifying the party holding the convention is posted at the entrance to each room.

Acts 1985, 69th Leg., ch. 211, Sec. 1, eff. Jan. 1, 1986. Amended by Acts 1997, 75th Leg., ch. 1349, Sec. 57, eff. Sept. 1, 1997; Acts 1997, 75th Leg., ch. 1350, Sec. 7, eff. Sept. 1, 1997.