developmentally disabled individual
In this subchapter the term, “developmentally disabled individual” means an individual who as defined by the Secretary is described within the term “mental retardation and related conditions” as defined in regulations as in effect on July 1, 1990 , and who is residing with the individual’s family or legal guardian in such individual’s own home in which no more than 3 other recipients of services under this section are residing and without regard to whether or not such individual is at risk of institutionalization (as defined by the Secretary).