[Code of Federal Regulations] [Title 45, Volume 1] [Revised as of October 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR81.12] [Page 313] TITLE 45--PUBLIC WELFARE AND HUMAN SERVICES PART 81_PRACTICE AND PROCEDURE FOR HEARINGS UNDER PART 80 OF THIS TITLE--Table of Contents Subpart B_Appearance and Practice Sec. 81.12 Authority for representation. Any individual acting in a representative capacity in any proceeding may be required to show his authority to act in such capacity.