HUD issued Notice PIH 2022-01 to HUD-assisted housing owners clarifying the requirement they install carbon monoxide alarms or detectors in their properties. The notice states HUD will be enforcing the requirements instituted by Congress that mandate all public housing, Housing Choice Voucher, Project-Based Voucher, Project-Based Rental Assistance, Section 202 Supportive Housing for the Elderly and Section 811 Supportive Housing for Persons with Disabilities have carbon monoxide alarms or detectors installed by Dec. 27, 2022.