[Code of Federal Regulations] [Title 43, Volume 2] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR3600] [Page 711] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3600_MINERAL MATERIALS DISPOSAL--Table of Contents Subpart 3602_Mineral Materials Sales Sec. 3602.28 What records must I maintain and how long must I keep them? (a) BLM may require you to maintain and preserve for 6 years records, maps, and surveys relating to production verification and valuation. These include, but are not limited to, detailed records of quantity, types, and value of commodities you moved, processed, sold, delivered, or used. (b) You must make such records available to BLM to allow us to determine whether you have complied with statutes, regulations, and the terms of the contract. [[Page 712]]