25 C.F.R. § 83.41
What will the Assistant Secretary consider in his/her review?
(a) AS-IA will consider all the evidence in the administrative record, including any comments and responses on the proposed finding and any the hearing transcript and recommended decision.
(b) AS-IA will not consider comments submitted after the close of the comment period in § 83.35, the response period in § 83.36 or § 83.37, or the hearing election period in § 83.38.