N.Y. Comp. Codes R. & Regs. tit. 10, § 69-4.20
(a) A transition plan shall be established in the IFSP to ensure a smooth transition for every child exiting the Early Intervention Program.
(4) The transition plan established in the IFSP must be developed with the child’s family and shall include procedures to prepare the child and family for changes in service delivery, including:
(b) For children thought to be eligible for services under section 4410 of the Education Law, not fewer than 90 days prior to the child's potential eligibility for services under the Education Law, section 4410, the service coordinator shall provide written notification to the committee on preschool special education of the local school district in which an eligible child resides of the potential transition of the child.
(1) The service coordinator shall ensure the parent is informed in accordance with procedures in section 69-4.11(a)(10)(xiii) of this Subpart of the opportunity to object to such notification prior to providing notice to the CPSE of the child's potential transition.
(iii) If the parent does not object to such notification, the service coordinator shall include the following information in the written notice to the CPSE of the child's potential transition:
(4) With parent consent, the service coordinator shall convene a transition conference with the parent, service coordinator, and the chairperson of the CPSE or designee, at least 90 days prior to the child's eligibility for services under Education Law, section 4410, or no fewer than 90 days before the child's third birthday, whichever is first provided, however, that such conference shall not be held more than nine months prior to the child’s third birthday, to review program options and if appropriate, establish a transition plan.
(ii) The conference may be combined with:
(iii) The parent may decline a transition conference; provided, however, that the parent shall be informed that the child's eligibility for services under section 4410 of the Education Law must be determined by the child's third birthday to continue receiving early intervention services after the child's third birthday and that if a determination of eligibility for services under section 4410 of the Education Law has not been made by the CPSE prior to the child's third birthday, eligibility for early intervention services will end the day before the child's third birthday.