; or (2) any other standards as may be adopted by the Secretary, including any relevant updates to the International Fire Code, through a notice published in the Federal Register. ; and (B) in subsection (o), by adding at the end the following: (21) Carbon monoxide alarms Each dwelling unit receiving tenant-based assistance or project-based assistance under this subsection shall have carbon monoxide alarms installed in the dwelling unit in a manner that meets or exceeds— (A) the standards described in chapters 9 and 11 of the 2018 publication of the International Fire Code, as published by the International Code Council; or (B) any other standards as may be adopted by the Secretary, including any relevant updates to the International Fire Code, through a notice published in the Federal Register. . (b) Supportive housing for the elderly Section 202(j) of the Housing Act of 1959 ( 12 U.S.C. 1701q(j) ) is amended by adding at the end the following: (9) Carbon monoxide alarms Each owner of a dwelling unit assisted under this section shall ensure that carbon monoxide alarms are installed in the dwelling unit in a manner that meets or exceeds— (A) the standards described in chapters 9 and 11 of the 2018 publication of the International Fire Code, as published by the International Code Council; or (B) any other standards as may be adopted by the Secretary, including any relevant updates to the International Fire Code, through a notice published in the Federal Register. . (c) Supportive housing for persons with disabilities Section 811(j) of the Cranston-Gonzalez National Affordable Housing Act ( 42 U.S.C. 8013(j) ) is amended by adding at the end the following: (7) Carbon monoxide alarms Each dwelling unit assisted under this section shall contain installed carbon monoxide alarms that meet or exceed— (A) the standards described in chapters 9 and 11 of the 2018 publication of the International Fire Code, as published by the International Code Council