[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: 15CFR90.4] [Page 352] 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. 90.4 General. This part provides a procedure for a State or unit of local government to challenge the population or per capita income estimates of the Bureau. The Bureau shall receive these challenges and attempt to resolve them informally with the locality. If the challenge is not resolved informally, the challenging State or unit of local government may then, at its option, proceed formally.