(a) Adequate lighting shall be provided to all areas of the facility.
(b) In facilities that began operating as secure pre- or post-adjudication facilities on or after September 1, 2003, all housing units, including specialized housing units, shall provide natural light from a source within the housing unit. If the housing unit contains individual resident sleeping quarters, each individual resident sleeping quarters shall:
  (1) have its own natural light source; and/or
  (2) have a viewing window in the door or wall that allows for a direct line of sight to the natural light.

Source Note: The provisions of this §343.226 adopted to be effective January 1, 2010, 34 TexReg 7095; amended to be effective January 1, 2015, 39 TexReg 9243