(1) Early identification and evaluation of persons with developmental disabilities or mental retardation;

(2) Development, planning, and implementation in coordination with other federal, state, and county agencies, of service programs for persons with developmental disabilities or mental retardation;

(3) Development and provision of service programs in the public or private sectors through chapter 42F or chapter 103F, for persons with developmental disabilities or mental retardation;

(4) Establishment of a continuum of comprehensive services and residential alternatives in the community to allow persons with developmental disabilities or mental retardation to live in the least restrictive, individually appropriate environment;

(5) Development and implementation of a program for single-entry access by persons with developmental disabilities or mental retardation to services provided under this chapter as well as referral to, and coordination with, services provided in the private sector or under other federal, state, or county acts, and the development of an individualized service plan by an interdisciplinary team;

(6) Collaborative and cooperative services with public health and other groups for programs to prevent developmental disabilities or mental retardation;

(7) Informational and educational services to the general public and to lay and professional groups;

(8) Consultative services to the judicial branch of government, educational institutions, and health and welfare agencies whether the agencies are public or private;

(9) Provision of community residential alternatives for persons with developmental disabilities or mental retardation, including [group homes and] homes meeting ICF/MR standards[;], and in a setting of the person's choice if the person with the help of family and friends, if necessary, determines that the person can be sustained with supports, and the supports are attached to the person;

(10) Provision of care at the skilled nursing level or in a skilled nursing facility, as individually appropriate;

(11) Provision of other programs, services, or facilities necessary to provide a continuum of care for persons with developmental disabilities or mental retardation;

(12) Provision of case management services independent of the direct service provider; and

(13) Development and maintenance of respite services in the community for persons with developmental disabilities or mental retardation."