(a) An individual may appear in his or her own behalf, or may be represented by an attorney at law admitted to practice in any State or Territory of the United States, or the District of Columbia.

(b) A member of a partnership may represent the partnership.

(c) A bona fide officer of a corporation, trust or association may represent the corporation, trust or association.

(d) An officer or employee of the United States Department of Justice, when designated by the Attorney General of the United States, may represent the United States in a claim proceeding.

(e) In cases falling within the purview of subchapter B of this chapter, persons designated by veterans', service, and other organizations to appear before the Commission in a representative capacity on behalf of claimants will be deemed duly authorized to practice before the Commission if the designating organization has received a letter of accreditation from the Commission. Petitions for accreditation must be in writing, executed by duly authorized officer or officers, and addressed to the Foreign Claims Settlement Commission of the United States, Washington, DC 20579. Upon receipt of a petition setting forth pertinent facts as to the organization's history, purpose, number of posts or chapters and their locations, approximate number of paid-up memberships, statements that the organization will not charge any fee for services rendered by its designees in behalf of claimants and that it will not refuse on the grounds of non-membership to represent any claimant who applies for representation if the claimant has an apparently valid claim, accompanied by a copy of the organization's constitution, or charter, by-laws, and its latest financial statement, the Commission in its discretion will consider and in appropriate cases issue or deny letters of accreditation.

(f) A claimant may not be represented before the Commission except as authorized in paragraphs (a) through (e) of this section.