34 C.F.R. § 300.534
(b) Basis of knowledge. A public agency must be deemed to have knowledge that a child is a child with a disability if before the behavior that precipitated the disciplinary action occurred—
(c) Exception. A public agency would not be deemed to have knowledge under paragraph (b) of this section if—
(1) The parent of the child—
(d) Conditions that apply if no basis of knowledge.
(2)
(iii) If the child is determined to be a child with a disability, taking into consideration information from the evaluation conducted by the agency and information provided by the parents, the agency must provide special education and related services in accordance with this part, including the requirements of §§ 300.530 through 300.536 and section 612(a)(1)(A) of the Act.
(Authority: 20 U.S.C. 1415(k)(5))