30 C.F.R. § 256.8 Leasing maps and diagrams.
Title 30 - Mineral Resources
(a) Any area of the OCS which has been appropriately platted as provided in paragraph (b) of this section, is subject to lease for any mineral not included in a subsisting lease issued under the act or meeting the requirements of subsection (a) of section 6 of the Act. Before any lease is offered or issued an area may be (1) withdrawn from disposition pursuant to section 12(a) of the Act, or (2) designated as an area or part of an area restricted from operation under section 12(d) of the Act. (b) The MMS shall prepare leasing maps and official protraction diagrams of areas of the OCS. The areas included in each mineral lease shall be in accordance with the appropriate leasing map or official protraction diagram.
Title 30: Mineral Resources
PART 256—LEASING OF SULPHUR OR OIL AND GAS IN THE OUTER CONTINENTAL SHELF
Subpart A—Outer Continental Shelf Oil, Gas, and Sulphur Management, General
§ 256.8 Leasing maps and diagrams.

