(a) Any party adversely affected by a decision of the authorized officer or the State Director made pursuant to the provisions of this subpart shall have a right of appeal to the Board of Land Appeals, Office of Hearings and Appeals, pursuant to part 4 of this title.(b) In any case involving lands under the jurisdiction of any agency other than the Department of the Interior, or an office of the Department of the Interior other than the Bureau of Land Management, the office rendering a decision shall designate the authorized officer of such agency as an adverse party on whom a copy of any notice of appeal and any statement of reasons, written arguments, or brief must be served.