34 C.F.R. § 303.203
Each application must include —
(b) The State's policies and procedures regarding the identification and coordination of all available resources within the State from Federal, State, local, and private sources as required under subpart F of this part and including—
(c) The State's rigorous definition of developmental delay as required under §§ 303.10 and 303.111.
(Approved by Office of Management and Budget under control number 1820-0550)
(Authority: 20 U.S.C. 1432(3), 1432(4)(B), 1432(4)(C), 1435(a)(1), 1435(a)(10)(B), 1437(a)(3), 1440)