Sec. 300.300 (c) (1) (i)

(i) Must obtain informed parental consent, in accordance with §300.300(a)(1), prior to conducting any reevaluation of a child with a disability.

(ii) If the parent refuses to consent to the reevaluation, the public agency may, but is not required to, pursue the reevaluation by using the consent override procedures described in paragraph (a)(3) of this section.
(iii) The public agency does not violate its obligation under §300.111 and §§300.301 through 300.311 if it declines to pursue the evaluation or reevaluation.