(B) Nothing in this section relieves public or private insurance programs, or other persons or agencies required by law to provide or pay for early intervention services, from their financial or legal responsibilities.

(C) Pursuant to Subchapter VIII, Chapter 33 of Title 20, U.S. Code Annotated, all financial resources from federal, state, local, and private sources must be coordinated to fund early intervention services. A joint funding plan must be submitted by the department to the Joint Legislative Committee on Children on or before August first of each year. The individual components of the plan as they relate to individual agencies must be incorporated annually into each affected agency’s budget request.