Tex. Alco. Bev. Code § 22.10
Except as authorized under Section 14.07, 22.18, or 37.01(d), a person may not break or open a container containing liquor or a malt beverage or possess an opened container of liquor or a malt beverage on the premises of a package store.
Acts 2019, 86th Leg., R.S., Ch. 1359 (H.B. 1545), Sec. 87, eff. September 1, 2021.