[Code of Federal Regulations] [Title 40 Volume 25] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR305.10] [Page 354] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) Subpart B--Parties and Appearances Sec. 305.10 Appearances. Any party may appear in person or by counsel or other representative. A partner may appear on behalf of a partnership and an officer may appear on behalf of a corporation. Persons who appear as counsel or other representative must conform to the standards of conduct and ethics required of practitioners before the courts of the United States.