(a) Definitions: When used in this section, unless otherwise expressly stated or unless the context otherwise requires:
(1) “Developmental disability” means developmental disability as defined in subdivision twenty-two of section 1.03 of the mental hygiene law.
(2) “Government benefits or assistance” means any program of benefits or assistance which is intended to provide or pay for support, maintenance or health care and which is established or administered, in whole or in part, by any federal, state, county, city or other governmental entity.
(3) “Mental illness” means mental illness as defined in subdivision twenty of section 1.03 of the mental hygiene law.
(4) “Person with a severe and chronic or persistent disability” means a person