[Code of Federal Regulations] [Title 19, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 19CFR111.40] [Page 465] TITLE 19--CUSTOMS DUTIES CHAPTER I--UNITED STATES CUSTOMS SERVICE, DEPARTMENT OF THE TREASURY PART 111--CUSTOMS BROKERS--Table of Contents Subpart C--Duties and Responsibilities of Customs Brokers Sec. 111.40 Protests. A broker must not act on behalf of any person, or attempt to represent any person, regarding any protest unless he is authorized to do so in accordance with part 174 of this chapter.