(a) Acronyms and terms used in this part have the following meanings:

(b) As used in this part, each of the terms and phrases listed below has the meaning given in the Act or as defined in this section.

Act means the Outer Continental Shelf Lands Act, as amended (OCSLA) (43 U.S.C. 1331-1356a).

Affected State means, with respect to any program, plan, lease sale, or other activity proposed, conducted, or approved pursuant to the provisions of OCSLA, any State:

Aliquot or Aliquot part means an officially designated subdivision of a lease's area, which can be a half of a lease (1⁄2), a quarter of a lease (1⁄4), a quarter of a quarter of a lease (1⁄41⁄4), or a quarter of a quarter of a quarter of a lease (1⁄41⁄41⁄4).

Authorized officer means any person authorized by law or by delegation of authority to or within BOEM to perform the duties described in this part.

Average daily production means the total of all production in an applicable production period that is chargeable under § 556.514 divided by the exact number of calendar days in the applicable production period.

Barrel means 42 U.S. gallons. All measurements of crude oil and natural gas liquids under this section must be at 60 °F.

Bidding unit means one or more OCS blocks, or any portion thereof, that may be bid upon as a single administrative unit and will become a single lease. The term `tract,” as defined in this section, may be used interchangeably with the term “bidding unit.”

BOEM means Bureau of Ocean Energy Management of the U.S. Department of the Interior.

Bonus or royalty credit means a legal instrument or other written documentation approved by BOEM, or an entry in an account managed by the Secretary, that a bidder or lessee may use in lieu of any other monetary payment for a bonus or a royalty due on oil or gas production from certain leases, as specified in, and permitted by, the Gulf of Mexico Energy Security Act of 2006, Pub. L. 109-432 (Div. C, Title 1), 120 Stat. 3000 (2006), codified at 43 U.S.C. 1331, note.

BSEE means Bureau of Safety and Environmental Enforcement of the U.S. Department of the Interior.

Central Planning Area (CPA) means that portion of the Gulf of Mexico that lies southerly of Louisiana, Mississippi, and Alabama. Precise boundary information is available from the BOEM Leasing Division, Mapping and Boundary Branch (MBB).

Coastal environment means the physical, atmospheric, and biological components, conditions, and factors that interactively determine the productivity, state, condition, and quality of the terrestrial ecosystem from the shoreline inland to the boundaries of the coastal zone.

Coastal zone means the coastal waters (including the lands therein and thereunder) and the adjacent shorelands (including the water therein and thereunder), strongly influenced by each other and in proximity to the shorelines of one or more of the several coastal States, and includes islands, transition and intertidal areas, salt marshes, wetlands, and beaches, whose zone extends seaward to the outer limit of the United States territorial sea and extends inland from the shore lines to the extent necessary to control shorelands, the uses of which have a direct and significant impact on the coastal waters, and the inland boundaries of which may be identified by the several coastal States, under section 305(b)(1) of the Coastal Zone Management Act (CZMA) of 1972, 16 U.S.C. 1454(b)(1).

Coastline means the line of mean ordinary low water along that portion of the coast in direct contact with the open sea and the line marking the seaward limit of inland waters.

Crude oil means a mixture of liquid hydrocarbons, including condensate that exists in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating facilities, but does not include liquid hydrocarbons produced from tar sand, gilsonite, oil shale, or coal.

Designated operator means a person authorized to act on your behalf and fulfill your obligations under the Act, the lease, and the regulations, who has been designated as an operator by all record title holders and all operating rights owners that own an operating rights interest in the aliquot/depths in which the designated operator, to which the Designation of Operator form applies, will be operating, and who has been approved by BOEM to act as designated operator.

Desoto Canyon OPD means the Official Protraction Diagram (OPD) designated as Desoto Canyon that has a western edge located at the universal transverse mercator (UTM) X coordinate 1,346,400 in the North American Datum of 1927 (NAD27).

Destin Dome OPD means the Official Protraction Diagram (OPD) designated as Destin Dome that has a western edge located at the Universal Transverse Mercator (UTM) X coordinate 1,393,920 in the NAD27.

Development block means a block, including a block susceptible to drainage, which is located on the same general geologic structure as an existing lease having a well with indicated hydrocarbons; a reservoir may or may not be interpreted to extend on to the block.

Director means the Director of the BOEM of the U.S. Department of the Interior, or an official authorized to act on the Director's behalf.

Eastern Planning Area (EPA) means that portion of the Gulf of Mexico that lies southerly and westerly of Florida. Precise boundary information is available from the BOEM Leasing Division, Mapping and Boundary Branch.

Economic interest means any right to, or any right dependent upon, production of crude oil, natural gas, or natural gas liquids and includes, but is not limited to: a royalty interest; an overriding royalty interest, whether payable in cash or kind; a working interest that does not include a record title interest or an operating rights interest; a carried working interest; a net profits interest; or a production payment.

Human environment means the physical, social, and economic components, conditions, and factors that interactively determine the state, condition, and quality of living conditions, employment, and health of those affected, directly or indirectly, by activities occurring on the OCS.

Initial period or primary term means the initial period referred to in 43 U.S.C. 1337(b)(2).

Joint bid means a bid submitted by two or more persons for an oil and gas lease under section 8(a) of the Act.

Lease means an agreement that is issued under section 8 or maintained under section 6 of the Act and that authorizes exploration for, and development and production of, minerals on the OCS. The term also means the area covered by that agreement, whichever the context requires.

Lease interest means one or more of the following ownership interests in an OCS oil and gas or sulfur lease: a record title interest, an operating rights interest, or an economic interest.

Lessee means a person who has entered into a lease with the United States to explore for, develop, and produce the leased minerals and is therefore a record title owner of the lease, or the BOEM-approved assignee-owner of a record title interest. The term lessee also includes the BOEM-approved sublessee- or assignee-owner of an operating rights interest in a lease.

Marine environment means the physical, atmospheric, and biological components, conditions, and factors that interactively determine the productivity, state, conditions, and quality of the marine ecosystem, including the waters of the high seas, the contiguous zone, transitional and intertidal areas, salt marshes, and wetlands within the coastal zone and on the OCS.

Mineral means oil, gas, and sulfur; it also includes sand, gravel, and salt used to facilitate the development and production of oil, gas, and sulfur.

Natural gas means a mixture of hydrocarbons and varying quantities of non-hydrocarbons that exist in the gaseous phase.

Natural gas liquids means liquefied petroleum products produced from reservoir gas and liquefied at surface separators, field facilities, or gas processing plants worldwide, including any of the following:

Operating rights means an interest created by sublease out of the record title interest in an oil and gas lease, authorizing the owner to explore for, develop, and/or produce the oil and gas contained within a specified area and depth of the lease (i.e., operating rights tract).

Operating rights owner means the holder of operating rights.

Operating rights tract means the area within the lease from which the operating rights have been severed on an aliquot basis from the record title interest, defined by a beginning and ending depth.

Operator means the person designated as having control or management of operations on the leased area or a portion thereof. An operator may be a lessee, the operating rights owner, or a designated agent of the lessee or the operating rights owner.

Outer Continental Shelf (OCS) means all submerged lands lying seaward and outside of the area of lands beneath navigable waters as defined in the Submerged Lands Act (43 U.S.C. 1301-1315) and of which the subsoil and seabed appertain to the United States and are subject to its jurisdiction and control.

Outer Continental Shelf Lands Act (OCSLA) means the Outer Continental Shelf Lands Act (43 U.S.C. 1331-1356a), as amended.

Owned, as used in the context of restricted joint bidding or a statement of production, means:

Pensacola OPD means the Official Protraction Diagram (OPD) designated as Pensacola that has a western edge located at the UTM X coordinate 1,393,920 in the NAD27.

Person means a natural person, where so designated, or an entity, such as a partnership, association, State, political subdivision of a State or territory, or a private, public, or municipal corporation.

Planning area means a large portion of the OCS, consisting of contiguous OCS blocks, defined for administrative planning purposes.

Primary term or initial period means the initial period referred to in 43 U.S.C. 1337(b)(2).

Regional Director means the BOEM officer with responsibility and authority for a Region within BOEM.

Regional Supervisor means the BOEM officer with responsibility and authority for leasing or other designated program functions within a BOEM Region.

Right-of-Use and Easement (RUE) means a right to use a portion of the seabed at an OCS site other than on a lease you own, for the construction and/or use of artificial islands, facilities, installations, and other devices, established to support the exploration, development or production of oil and gas, mineral, or energy resources from an OCS or State submerged lands lease.

Right-of-Way (ROW) means an authorization issued by BSEE under the authority of section 5(e) of the OCSLA (43 U.S.C. 1334(e)) for the use of submerged lands of the Outer Continental Shelf for pipeline purposes.

Secretary means the Secretary of the Interior or an official or a designated employee authorized to act on the Secretary's behalf.

Security or securities means any note, stock, treasury stock, bond, debenture, evidence of indebtedness, certificate of interest or participation in any profit-sharing agreement; collateral-trust certificate; pre-organization certificate or subscription; transferable share; investment contract; voting-trust certificate; certificate of deposit for a security; fractional undivided interest in oil, gas, or other mineral rights; or, in general, any interest or instrument commonly known as a “security” or any certificate of interest or participation in, temporary or interim certificate for, receipt for, guarantee of, or warrant or right to subscribe to or purchase any of the foregoing.

Single bid means a bid submitted by one person for an oil and gas lease under section 8(a) of the Act.

Six-month bidding period means the 6-month period of time:

Statement of production means, in the context of joint restricted bidders, the following production during the applicable prior production period:

Tract means one or more OCS blocks, or any leasable portion thereof, that will be part of a single oil and gas lease. The term tract may be used interchangeably with the term “bidding unit.”

We, us, and our mean BOEM or the Department of the Interior, depending on the context in which the word is used.

Western Planning Area (WPA) means that portion of the Gulf of Mexico that lies south and east of Texas. Precise boundary information is available from the Leasing Division, Mapping and Boundary Branch.

You, depending on the context of the regulations, means a bidder, a prospective bidder, a lessee (record title owner), an operating rights owner, an applicant seeking to become an assignee of record title or operating rights, a designated operator or agent of the lessee, a predecessor lessee, a RUE holder for a State or Federal lease, or a pipeline ROW holder.