34 CFR § 300.713 - Plan for coordination of services.
(a) The Secretary of the Interior must develop and implement a plan for the coordination of services for all Indian children with disabilities residing on reservations served by elementary schools and secondary schools for Indian children operated or funded by the Secretary of the Interior.
(b) The plan must provide for the coordination of services benefiting those children from whatever source, including tribes, the Indian Health Service, other BIA divisions, other Federal agencies, State educational agencies, and State, local, and tribal juvenile and adult correctional facilities.
(c) In developing the plan, the Secretary of the Interior must consult with all interested and involved parties.
(d) The plan must be based on the needs of the children and the system best suited for meeting those needs, and may involve the establishment of cooperative agreements between the BIA, other Federal agencies, and other entities.
(e) The plan also must be distributed upon request to States; to SEAs, LEAs, and other agencies providing services to infants, toddlers, and children with disabilities; to tribes; and to other interested parties.