5 C.F.R. § 990.101 Appearance.
Title 5 - Administrative Personnel
A preference eligible who has filed with OPM a claim or an appeal under section 3502, 3503, or 7701 of title 5, United States Code, may appear in a proceeding in connection therewith either personally or by a representative. The representative may be a person designated by the preference eligible, that person being referred to in this part as agent; or a service organization designated by the preference eligible and approved by OPM.
Title 5: Administrative Personnel
PART 990—GENERAL AND MISCELLANEOUS
Subpart A—Claims and Appeals of Veterans; Recognition of Representatives
§ 990.101 Appearance.
