Tex. Health and Safety Code § 757.007: WINDOW AND WINDOW SCREENS.

A wall of a building constructed before January 1, 1994, may not be used as part of a pool yard enclosure unless each window in the wall has a latch and unless each window screen on a window in the wall is affixed by a window screen latch, screws, or similar means. This section does not require the installation of window screens. A wall of a building constructed on or after January 1, 1994, may not be used as part of a pool yard enclosure unless each ground floor window in the wall is permanently closed and unable to be opened.

Added by Acts 1993, 73rd Leg., ch. 517, Sec. 2, eff. Jan. 1, 1994.