Texas Health and Safety Code - HEALTH & SAFETY § 757.006. Door

(a) A door, sliding glass door, or French door may not open directly into a pool yard if the date of electrical service for initial construction of the building or pool is on or after January 1, 1994.

(b) A door, sliding glass door, or French door may open directly into a pool yard if the date of electrical service for initial construction of the building or pool is before January 1, 1994, and the pool yard enclosure complies with Subsection (c), (d), or (e), as applicable.

(c) If a door of a building, other than a sliding glass door or screen door, opens into the pool yard, the door must have a:

(d) If French doors of a building open to the pool yard, one of the French doors must comply with Subsection (c)(1) and the other door must have:

(e) If a sliding glass door of a building opens into the pool yard, the sliding glass door must have:

(f) A door, sliding glass door, or French door that opens into a pool yard from an area of a building that is not used by residents and that has no access to an area outside the pool yard is not required to have a lock, latch, dead bolt, or keyless bolting device.

(g) A keyed dead bolt, keyless bolting device, sliding door pin lock, or sliding door security bar installed before September 1, 1993, may be installed not more than 54 inches from the floor.

(h) A keyed dead bolt or keyless dead bolt, as described by Section 757.001(6)(A)(i), installed in a dwelling on or after September 1, 1993, must have a bolt with a throw of not less than one inch.