[Code of Federal Regulations] [Title 15, Volume 1] [Revised as of January 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 15CFR90.18] [Page 354] TITLE 15--COMMERCE AND FOREIGN TRADE CHAPTER I--BUREAU OF THE CENSUS, DEPARTMENT OF COMMERCE PART 90--PROCEDURE FOR CHALLENGING CERTAIN POPULATION AND INCOME ESTIMATES--Table of Contents Sec. 90.18 Representation. A challenging unit of government may be represented by its chief executive officer or by counsel, or other duly authorized representative as designated by the chief executive officer in writing to the Bureau.