(a) In this section, “carbon monoxide detector” means a device that detects and sounds an alarm to indicate the presence of a harmful level of carbon monoxide gas.
(b) Except as provided by Subsection (d), each day-care center, group day-care home, and family home must be equipped with carbon monoxide detectors in accordance with department rules.

(c) The executive commissioner by rule shall prescribe requirements regarding the placement, installation, and number of carbon monoxide detectors and maintenance procedures for those detectors.
(d) A day-care center is exempt from the carbon monoxide detector requirements prescribed by this section if the day-care center is located in a school facility that is subject to the school facility standards adopted by the commissioner of education under § 46.008, Education Code, or similar safety standards adopted by the board of a local school district.