1. Short title This Act may be cited as the No Oil Producing and Exporting Cartels Act of 2018 or NOPEC . 2. Sherman act The Sherman Act ( 15 U.S.C. 1 et seq.) is amended by adding after section 7 the following: 7A. Oil producing cartels (a) In general It shall be illegal and a violation of this Act for any foreign state, or any instrumentality or agent of any foreign state, to act collectively or in combination with any other foreign state, any instrumentality or agent of any other foreign state, or any other person, whether by cartel or any other association or form of cooperation or joint action— (1) to limit the production or distribution of oil, natural gas, or any other petroleum product; (2) to set or maintain the price of oil, natural gas, or any petroleum product; or (3) to otherwise take any action in restraint of trade for oil, natural gas, or any petroleum product; when such action, combination, or collective action has a direct, substantial, and reasonably foreseeable effect on the market, supply, price, or distribution of oil, natural gas, or other petroleum product in the United States. (b) Inapplicability of act of state doctrine No court of the United States shall decline, based on the act of state doctrine, to make a determination on the merits in an action brought under this section. (c) Enforcement The Attorney General of the United States shall have the sole authority to bring an action to enforce this section. Any such action shall be brought in any district court of the United States as provided under the antitrust laws. . 3. No sovereign immunity in oil cartel cases Section 1605(a) of title 28, United States Code, is amended— (1) in paragraph (5) by striking or after the semicolon; (2) in paragraph (6) by striking the period and inserting ; or ; and (3) by adding at the end the following: (7) in which the action is brought under section 7A of the Sherman Act. .