24 CFR § 982.615 - Shared housing: Occupancy.
(a)Sharing a unit. An assisted family may reside in shared housing. In shared housing, an assisted family shares a unit with the other resident or residents of the unit. The unit may be a house or an apartment.
(b)Who may share a dwelling unit with assisted family? (1) If approved by the PHA, a live-in aide may reside with the family to care for a person with disabilities. The PHA must approve a live-in aide if needed as a reasonable accommodation so that the program is readily accessible to and usable by persons with disabilities in accordance with 24 CFR part 8. See § 982.316 concerning occupancy by a live-in aide.
(3) The owner of a shared housing unit may reside in the unit. A resident owner may enter into a HAP contract with the PHA. However, housing assistance may not be paid on behalf of an owner. An assisted person may not be related by blood or marriage to a resident owner.