24 CFR § 880.207 - Property standards.
Projects must comply with:
(a) [Reserved]
(b) In the case of manufactured homes, the Federal Manufactured Home Construction and Safety Standards, pursuant to Title VI of the Housing and Community Development Act of 1974, and 24 CFR part 3280;
(c) In the case of congregate or single room occupant housing, the appropriate HUD guidelines and standards;
(d) HUD requirements pursuant to section 209 of the Housing and Community Development Act of 1974 for projects for the elderly or handicapped;
(e) HUD requirements pertaining to noise abatement and control; and
(f) Applicable State and local laws, codes, ordinances and regulations.
(g) Smoke detectors—(1) Performance requirement. After October 30, 1992, each dwelling unit must include at least one battery-operated or hard-wired smoke detector, in proper working condition, on each level of the unit. If the unit is occupied by hearing-impaired persons, smoke detectors must have an alarm system, designed for hearing-impaired persons, in each bedroom occupied by a hearing-impaired person.
(2) Acceptability criteria. The smoke detector must be located, to the extent practicable, in a hallway adjacent to a bedroom, unless the unit is occupied by a hearing-impaired person, in which case each bedroom occupied by a hearing-impaired person must have an alarm system connected to the smoke detector installed in the hallway.