[Code of Federal Regulations] [Title 15, Volume 1, Parts 0 to 299] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 15CFR90.9] [Page 361] 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. 90.9 When formal procedure may be invoked. In the event the Chief, Population Division, is unable to resolve the challenge to the satisfaction of the challenging State or unit of local government, the challenging State or unit of local government shall be informed in writing of the reasons for the outcome and of its right to proceed formally.