((a)) ** Contents of guidelines** The guidelines referred to in sections 2224 and 2226 of this title consist of—

((1)) a requirement that hard-wired, single-station smoke detectors be installed in accordance with National Fire Protection Association Standard 74 or any successor standard to that standard in each guest room in each place of public accommodation affecting commerce; and

((2)) a requirement that an automatic sprinkler system be installed in accordance with National Fire Protection Association Standard 13 or 13–R, or any successor standard to that standard, whichever is appropriate, in each place of public accommodation affecting commerce except those places that are 3 stories or lower.

((b)) ** Exceptions**

((1)) The requirement described in subsection (a)(2) shall not apply to a place of public accommodation affecting commerce with an automatic sprinkler system installed before , if the automatic sprinkler system is installed in compliance with an applicable standard (adopted by the governmental authority having jurisdiction, and in effect, at the time of installation) that required the placement of a sprinkler head in the sleeping area of each guest room.

((2)) The requirement described in subsection (a)(2) shall not apply to a place of public accommodation affecting commerce to the extent that such place of public accommodation affecting commerce is subject to a standard that includes a requirement or prohibition that prevents compliance with a provision of National Fire Protection Association Standard 13 or 13–R, or any successor standard to that standard. In such a case, the place of public accommodation affecting commerce is exempt only from that specific provision.

((c)) ** Effect on State and local law** The provisions of this section shall not be construed to limit the power of any State or political subdivision thereof to implement or enforce any law, rule, regulation, or standard concerning fire prevention and control.

((d)) ** Definitions** For purposes of this section, the following definitions shall apply:

((1)) The term “smoke detector” means an alarm that is designed to respond to the presence of visible or invisible particles of combustion.

((2)) The term “automatic sprinkler system” means an electronically supervised, integrated system of piping to which sprinklers are attached in a systematic pattern, and which, when activated by heat from a fire, will protect human lives by discharging water over the fire area, and by providing appropriate warning signals (to the extent such signals are required by Federal, State, or local laws or regulations) through the building’s fire alarm system.

((3)) The term “governmental authority having jurisdiction” means the Federal, State, local, or other governmental entity with statutory or regulatory authority for the approval of fire safety systems, equipment, installations, or procedures within a specified locality.