In this subtitle the following words have the meanings indicated. “Fund” means the Partnership Rental Housing Fund. “Household of lower income” means a household that qualifies under § 4-1206 of this subtitle. “Housing authority” means a housing authority authorized under Division II of this article. “Partnership project” means an undertaking that the Program finances to acquire, construct, reconstruct, renovate, or rehabilitate a building or improvement, or a part of a building or improvement. “Partnership rental housing” means rental housing financed under this subtitle. “Partnership rental housing” includes apartments, condominium units, cooperatives, town houses, town homes, single room occupancy and shared living unit facilities, and single-family homes. “Program” means the Partnership Rental Housing Program.