(3) Persons and families.— (A) Single persons .— The term “families” includes families consisting of a single person in the case of (i) an elderly person, (ii) a disabled person, (iii) a displaced person, (iv) the remaining member of a tenant family, (v) a youth described in section 1437f(x)(2)(B) of this title , and (vi) any other single persons. In no event may any single person under clause (v) or (vi) of the first sentence be provided a housing unit assisted under this chapter of 2 or more bedrooms. (B) Families .— The term “families” includes families with children and, in the cases of elderly families, near-elderly families, and disabled families, means families whose heads (or their spouses), or whose sole members, are elderly, near-elderly, or persons with disabilities, respectively. The term includes, in the cases of elderly families, near-elderly families, and disabled families, 2 or more elderly persons, near-elderly persons, or persons with disabilities living together, and 1 or more such persons living with 1 or more persons determined under the public housing agency plan to be essential to their care or well-being. (C) Absence of children .— The temporary absence of a child from the home due to placement in foster care shall not be considered in determining family composition and family size. (D) Elderly person .— The term “elderly person” means a person who is at least 62 years of age. (E) Person with disabilities .— The term “person with disabilities” means a person who— (i) has a disability as defined in section 423 of this title , (ii) is determined, pursuant to regulations issued by the Secretary, to have a physical, mental, or emotional impairment which (I) is expected to be of long-continued and indefinite duration, (II) substantially impedes his or her ability to live independently, and (III) is of such a nature that such ability could be improved by more suitable housing conditions, or (iii) has a developmental disability as defined in section 15002 of this title . Such term shall not exclude persons who have the disease of acquired immunodeficiency syndrome or any conditions arising from the etiologic agent for acquired immunodeficiency syndrome. Notwithstanding any other provision of law, no individual shall be considered a person with disabilities, for purposes of eligibility for low-income housing under this subchapter, solely on the basis of any drug or alcohol dependence. The Secretary shall consult with other appropriate Federal agencies to implement the preceding sentence. (F) Displaced person .— The term “displaced person” means a person displaced by governmental action, or a person whose dwelling has been extensively damaged or destroyed as a result of a disaster declared or otherwise formally recognized pursuant to Federal disaster relief laws. (G) Near-elderly person .— The term “near-elderly person” means a person who is at least 50 years of age but below the age of 62.