[Code of Federal Regulations] [Title 43, Volume 2] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR3100.3-2] [Page 332] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER II--BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR PART 3100_OIL AND GAS LEASING--Table of Contents Subpart 3100_Onshore Oil and Gas Leasing: General Sec. 3100.3-2 Effect of option on acreage. The acreage to which the option is applicable shall be charged both to the grantor of the option and the option holder. The acreage covered by an unexercised option remains charged during its term until notice of its relinquishment or surrender has been filed in the proper BLM office. [48 FR 33662, July 22, 1983. Redesignated at 53 FR 22836, June 17, 1988]