A customs smoking room may be designated by the person in charge of an airport in-transit lounge under the authority and control of the Bureau of Customs and Border Protection of the United States Department of Homeland Security. A customs smoking room may be designated only in an airport in-transit lounge under the authority and control of the Bureau of Customs and Border Protection of the United States Department of Homeland Security. A customs smoking room may not be designated in an elevator, restroom, or any common area as defined by s. 386.203. Each customs smoking room must conform to the following requirements:(1) Work, other than essential services, may not be performed in the room at any time.
(2) Tobacco smoking and vaping are prohibited while essential services are being performed in the room.
(3) Each customs smoking room must be enclosed by physical barriers that are impenetrable by secondhand tobacco smoke and vapor and must prevent the escape of the smoke and vapor into the enclosed indoor workplace.
(4) Each customs smoking room must exhaust tobacco smoke and vapor directly to the outside and away from air intake ducts, and be maintained under negative pressure, with respect to surrounding spaces, sufficient to contain the smoke and vapor within the room.
(5) Each customs smoking room must comply with the signage requirements in s. 386.206. 