(1) Determination of eligibility and need for rehabilitation services and determination of eligibility for job support services shall be made by the department for each individual according to its established rules, policies, procedures, and standards.
(2) The department may purchase, from any source, rehabilitation services and job support services for individuals with disabilities, subject to the individual's income or other resources that are available to contribute to the cost of such services.
(3) The department shall maintain registers of individuals and organizations which meet required standards and qualify to provide rehabilitation services and job support services to individuals with disabilities. Eligibility of such individuals and organizations shall be based upon standards and criteria promulgated by the department.