43 CFR §4.780

1. (a)A final decision will become final on the expiration of the 30 days allowed for filing a notice of appeal with the Board under § 4.783(a) or a petition for reconsideration with the presiding officer under § 4.761(a) unless a notice of appeal or a petition for reconsideration is timely filed.
2. (b)Each of the following orders will become final on the expiration of the 30 days allowed for filing a notice of appeal with the Board under § 4.783(a) unless a notice of appeal is timely filed:
   1. (1)An order upon reconsideration issued under § 4.763(a);
   2. (2)An order upon reopening issued under § 4.774(a) or § 4.775(c); and
   3. (3)An order upon remand issued under § 4.790(b).