The administrative appeals process in 25 CFR part 2 and 43 CFR part 4 are modified, only as they apply to appeals under this part, as set forth in this section.

(a) The definition of interested party in 25 CFR part 2 and as incorporated in 43 CFR part 4 does not apply to this part.

(b) The right of persons or entities other than an appealing party to participate in appeals under 25 CFR part 2 and 43 CFR part 4 does not apply to this part, except as permitted under paragraph (c) of this section.

(c) The only persons or entities, other than appealing parties, under §224.181(a) to (c), who may participate in an appeal under this part are:

(1) The Secretary, if an appeal is taken from a decision of the Secretary or Principal Deputy Assistant Secretary—Indian Affairs;

(2) A Tribe, which may intervene, appear as an amicus curiae, or otherwise appear in any appeal taken under this part by a person or entity who has entered into a lease, business agreement, or right-of-way with the Tribe or by an interested party under this part; or

(3) A person or entity that has entered into a lease, business agreement, or right-of-way with a Tribe, may intervene, appear as an amicus curiae, or otherwise appear in any appeal taken under this part by the Tribe or by an interested party under this part.

(d) The Secretary does not have an obligation to provide notice and service upon non-appealing persons as provided in 25 CFR part 2 and 43 CFR part 4. The only exception to this principle is that notice and service of all documents must be served consistent with the requirements of 25 CFR part 2 and 43 CFR part 4 on those persons or entities identified in paragraph (c) of this section.