[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: 43CFR3183.3] [Page 454] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3180_ONSHORE OIL AND GAS UNIT AGREEMENTS: UNPROVEN AREAS --Table of Contents Subpart 3183_Filing and Approval of Documents Sec. 3183.3 Executed agreements. Where a duly executed agreement is submitted for final approval, a minimum of four signed counterparts should be filed. The number of counterparts to be filed for supplementing, modifying, or amending an existing agreement, including change of unit operator, designation of new unit operator, establishment or revision of a participating area, and termination shall be prescribed by the authorized officer.