; and (B) the Standard for Gas and Vapor Detectors and Sensors of the American National Standards Institute and UL (ANSI/UL 2075), or any successor standard. (4) Dwelling unit The term dwelling unit — (A) means a room or suite of rooms used for human habitation; and (B) includes— (i) a single family residence; (ii) each living unit of a multiple family residence, including an apartment building; and (iii) each living unit in a mixed use building. (5) Fire code enforcement officials The term fire code enforcement officials means officials of the fire safety code enforcement agency of a State or local government or a tribal organization. (6) NFPA 720 The term NFPA 720 means— (A) the Standard for the Installation of Carbon Monoxide Detection and Warning Equipment issued by the National Fire Protection Association in 2012; and (B) any amended or similar successor standard relating to the proper installation of carbon monoxide alarms in dwelling units. (7) State The term State — (A) has the meaning given the term in section 3(a) of the Consumer Product Safety Act ( 15 U.S.C. 2052(a) ); and (B) includes— (i) the Commonwealth of the Northern Mariana Islands