individuals or groups of individuals who are residents of institutions except the following:

(1) residents of federally subsidized housing for the elderly, built under section 202 of the Housing Act of 1959 or section 236 of the National Housing Act;

(2) persons with alcohol and/or substance use disorders residing in public or approved nonprofit private drug or alcoholic treatment centers or facilities, and children who live with their parent or parents in such drug or alcoholic treatment centers or facilities, which meet the requirements of a drug addiction or alcoholic treatment and rehabilitation facility as set forth in section 387.1 of this Part;

(4) women or women with their children who are residing in temporary shelters for battered women and children; and

(5) homeless individuals or families who are categorically eligible as defined in this paragraph and who are residents of public or private nonprofit shelters for homeless persons.