Sec. 3. The recommended plan must give attention to the following:
(1) The nature of the diagnostic and evaluative procedures.
(2) Procedures for referral of individuals to such services.
(3) Geographical availability of the services.
(4) Staffing pattern or patterns of services.
(5) Financing of the services.
(6) The manner and procedures of referring individuals diagnosed and evaluated to rehabilitation.
(7) The location within state government for the administration of the program.