; (ii) any vice president in charge of a principal business unit, division, or function, including sales, administration, or finance; (iii) any other officer who performs a policy-making function; or (iv) an executive officer of a subsidiary of the enterprise if the executive officer of the subsidiary performs policy-making functions for the enterprise; and (B) does not include an employee of a fossil fuel entity that works in, or is in charge of, a division principally responsible for the research, development, or deployment of— (i) wind energy; (ii) solar energy; or (iii) any other renewable energy source. (4) Fossil fuel The term fossil fuel means natural gas, coal, oil, gasoline, diesel fuel, or jet fuel. (5) Fossil fuel entity The term fossil fuel entity means an entity that is in the business of extracting or producing fossil fuel. (6) Fossil fuel lobbyist The term fossil fuel lobbyist means a lobbyist, as defined in section 3 of the Lobbying Disclosure Act of 1995 ( 2 U.S.C. 1602 ), that is registered or is required to register under section 4(a) of that Act ( 2 U.S.C. 1603(a) ), who principally lobbies— (A) for not less than 1 fossil fuel entity; and (B) on issues relating to the extraction or production of fossil fuels. (7) Fossil fuel trade association The term fossil fuel trade association means a trade association that principally represents one or more fossil fuel entities on issues relating to the extraction or production of fossil fuels. 3. Prohibition of appointment of fossil fuel executives and lobbyists No individual that has served as an executive officer of a fossil fuel entity, a fossil fuel lobbyist, or an employee of a fossil fuel trade association for any period of time during the 10-year period preceding the date of appointment or service shall— (1) be appointed to serve as a covered department head or a covered political appointee; or (2) perform the functions and duties of a covered department head or a covered political appointee in an acting capacity.