34 CFR § 222.104 - When does the Assistant Secretary consider a complaint received?
(a) The Assistant Secretary considers a complaint to have been received only after the Assistant Secretary determines that the complaint—
(1) Satisfies the requirements in §§ 222.102 and 222.103; and
(2) Is in writing and signed by the tribal chairman or the tribe's authorized designee.
(b) If the Assistant Secretary determines that a complaint fails to meet the requirements in §§ 222.102–222.103, the Assistant Secretary notifies the tribe or its designee in writing that the complaint has been dismissed for purposes of invoking the hearing procedures in §§ 222.102–222.113.
(c) Any notification that a complaint has been dismissed includes the reasons why the Assistant Secretary determined that the complaint did not meet the requirements in §§ 222.102 and 222.103.
(d) Notification that a complaint has been dismissed does not preclude other efforts to investigate or resolve the issues raised in the complaint, including the filing of an amended complaint.