CFR > Title 45 - Public Welfare > SUBTITLE A—DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER A—GENERAL ADMINISTRATION (parts 1 to 100) > PART 81—PRACTICE AND PROCEDURE FOR HEARINGS UNDER PART 80 OF THIS TITLE > SUBPART C—Parties (§81.21 to §81.23) > 81.23—Complainants not parties.