Sec. 300.323 (b)

(1) In the case of a child with a disability aged three through five (or, at the discretion of the SEA, a two-year-old child with a disability who will turn age three during the school year), the IEP Team must consider an IFSP that contains the IFSP content (including the natural environments statement) described in section 636(d) of the Act and its implementing regulations (including an educational component that promotes school readiness and incorporates pre-literacy, language, and numeracy skills for children with IFSPs under this section who are at least three years of age), and that is developed in accordance with the IEP procedures under this part. The IFSP may serve as the IEP of the child, if using the IFSP as the IEP is—

(i) Consistent with State policy; and

(ii) Agreed to by the agency and the child’s parents.

(2) In implementing the requirements of paragraph (b)(1) of this section, the public agency must—

(i) Provide to the child’s parents a detailed explanation of the differences between an IFSP and an IEP; and

(ii) If the parents choose an IFSP, obtain written informed consent from the parents.