; (4) the term participated means an action taken as an officer or employee through decision, approval, disapproval, recommendation, the rendering of advice, investigation, or other such action; and (5) the term particular matter includes any investigation, application, request for a ruling or determination, rulemaking, contract, controversy, claim, charge, accusation, arrest, or judicial or other proceeding. . (b) Clerical amendment The table of sections of chapter 31 of title 5, United States Code, is amended by adding after the item relating to section 3114 the following: 3115. Employment of former political appointees; restrictions. . (c) Application The amendment made by subsection (a) shall apply to any individual who separates from a political position (as that term is defined in section 3115 of title 5, United States Code, as added by such subsection) after the date of enactment of this Act.