(2) Due process complaint notice.--
(A) Complaint.--The due process complaint notice required under subsection (b)(7)(A) shall be deemed to be sufficient unless the party receiving the notice notifies the hearing officer and the other party in writing that the receiving party believes the notice has not met the requirements of subsection (b)(7)(A).
(B) Response to complaint.--
(i) Local educational agency response.--
(I) <<NOTE: Deadline.>> In general.--If the local educational agency has not sent a prior written notice to the parent regarding the subject matter contained in the parent's due process complaint notice, such local educational agency shall, within 10 days of receiving the complaint, send to the parent a response that shall include--
(aa) an explanation of why the agency proposed or refused to take the action raised in the complaint;
(bb) a description of other options that the IEP Team considered and the reasons why those options were rejected;
(cc) a description of each evaluation procedure, assessment, record, or report the agency used as the basis for the proposed or refused action; and
(dd) a description of the factors that are relevant to the agency's proposal or refusal.
(II) Sufficiency.--A response filed by a local educational agency pursuant to subclause (I) shall not be construed to preclude such local educational agency from asserting that the parent's due process complaint notice was insufficient where appropriate.
(ii) <<NOTE: Deadline.>> Other party response.--Except as provided in clause (i), the non-complaining party shall, within 10 days of receiving the complaint, send to the complaint a response that specifically addresses the issues raised in the complaint.
(C) <<NOTE: Deadline.>> Timing.--The party providing a hearing officer notification under subparagraph (A) shall provide the notification within 15 days of receiving the complaint.
(D) <<NOTE: Deadline.>> Determination.--Within 5 days of receipt of the notification provided under subparagraph (C), the hearing officer shall make a determination on the face of the notice of whether the notification meets the requirements of subsection (b)(7)(A), and shall immediately notify the parties in writing of such determination.
(E) Amended complaint notice.--
(i) In general.--A party may amend its due process complaint notice only if--
(I) the other party consents in writing to such amendment and is given the opportunity to resolve the complaint through a meeting held pursuant to subsection (f)(1)(B); or
(II) the hearing officer grants permission, except that the hearing officer may only grant such permission at any time not later than 5 days before a due process hearing occurs.
(ii) Applicable timeline.--The applicable timeline for a due process hearing under this part shall recommence at the time the party files an amended notice, including the timeline under subsection (f)(1)(B).