34 C.F.R. § 303.211
(a) General.
(2) A State that adopts the policy described in paragraph (a)(1) of this section may determine whether it applies to children with disabilities—
(b) Requirements. If a State's application for a grant under this part includes the State policy described in paragraph (a) of this section, the system must ensure the following:
(1) Parents of children with disabilities who are eligible for services under section 619 of the Act and who previously received early intervention services under this part will be provided an annual notice that contains—
(ii) An explanation of the differences between services provided pursuant to this section and services provided under part B of the Act, including—
(6)
(ii) For toddlers with disabilities age three and older in a State that offers services under this section, the lead agency ensures a smooth transition from services under this section to preschool, kindergarten or elementary school by—
(e) Rules of construction.
(2) Nothing in this section may be construed to require a provider of services under this part to provide a child served under this part with FAPE.
(Approved by Office of Management and Budget under control number 1820-0550)
(Authority: 20 U.S.C. 1435(c), 1437(a)(11))