Section 1220.001 - Purpose and scope(a) This part 1220 establishes accounting procedures for determining the net profit share base and calculating net profit share payments due the United States for the production of oil and gas from OCS leases.(b) The procedures established by this part 1220 apply to any OCS lease issued by the Department of the Interior under any bidding system established by § 1260.110(a) of this title which has a net profit share component.45 FR 36800, May 30, 1980, as amended at 46 FR 29689, June 2, 1981. Redesignated at 48 FR 1182, Jan. 11, 1983. Amended at 48 FR 35642, Aug. 5, 1983