Federal Definition of DD/ID:
According to the Federal “Developmental Disabilities Assistance and Bill of Rights Act of 2000”, Developmental disability —
(A). In general. — The term “developmental disability” means a severe, chronic disability of an individual that —
(i) is attributable to a mental or physical impairment or combination of mental and physical impairment;
(ii) is manifested before the individual attains age 22;
(iii) is likely to continue indefinitely;
(iv) results in substantial functional limitations in 3 or more of the following areas of major life activity:
(II) Receptive and expressive language.
(VI) Capacity for independent living.
(VII) Economic self-sufficiency; and
(v) reflects the individual’s need for a combination and sequency of special, interdisciplinary, or generic services, individualized supports, or other forms of assistance that are of lifelong or extended duration and are individually planned and coordinated.