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Information maintained by the Legislative Reference Bureau
Updating the database of the Illinois Compiled Statutes (ILCS) is an ongoing process. Recent laws may not yet be included in the ILCS database, but they are found on this site as Public Acts soon after they become law. For information concerning the relationship between statutes and Public Acts, refer to the Guide.

Because the statute database is maintained primarily for legislative drafting purposes, statutory changes are sometimes included in the statute database before they take effect. If the source note at the end of a Section of the statutes includes a Public Act that has not yet taken effect, the version of the law that is currently in effect may have already been removed from the database and you should refer to that Public Act to see the changes made to the current law.

405 ILCS 5/1-106

    (405 ILCS 5/1-106) (from Ch. 91 1/2, par. 1-106)
    (Text of Section before amendment by P.A. 102-972)
    Sec. 1-106. "Developmental disability" means a disability which is attributable to: (a) an intellectual disability, cerebral palsy, epilepsy or autism; or (b) any other condition which results in impairment similar to that caused by an intellectual disability and which requires services similar to those required by persons with an intellectual disability. Such disability must originate before the age of 18 years, be expected to continue indefinitely, and constitute a substantial disability.
(Source: P.A. 99-143, eff. 7-27-15.)
 
    (Text of Section after amendment by P.A. 102-972)
    Sec. 1-106. "Developmental disability" means a severe, chronic disability, other than mental illness, found to be closely related to an intellectual disability because this condition results in impairment of general intellectual functioning or adaptive behavior similar to that of persons with ID, and requires services similar to those required for a person with an intellectual disability. In addition, a developmental disability: (1) is manifested before the individual reaches 22 years of age; (2) is likely to continue indefinitely; (3) results in substantial functional limitations in three or more of the following areas of major life activity: self-care, receptive and expressive language, learning, mobility, self-direction, capacity for independent living, or economic self-sufficiency; and (4) reflects the individual's need for a combination and sequence 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. This definition does not supersede the "developmental disability" definition in Section 1.1 of the Firearm Owners Identification Card Act which is required to be applied under that Act for the purpose of mandatory reporting.
(Source: P.A. 102-972, eff. 1-1-23.)