; (D the Office of the Legislative Counsel of the Senate and the Office of the Senate Legal Counsel; (E) the offices of any caucus or party organization that employs an employee of the Senate (with respect to such an employee); and (F) the Executive Office of the Secretary of the Senate, the Office of Senate Security, the Senate Disbursing Office, and the Administrative Office of the Sergeant at Arms of the Senate. 2472.2 Application of chapter 71. (a) The requirements and exemptions of chapter 71, as made applicable by section 220 of the CAA, shall apply to covered employees who are employed in the offices listed in section 2472.1 in the same manner and to the same extent as those requirements and exemptions are applied to other covered employees. (b) The regulations of the Office, as set forth at parts 2420–29 and 2470–71, shall apply to the employing offices listed in section 2472.1, covered employees who are employed in those offices, and representatives of those employees. 2472.3 Definitions. In this subchapter: (1) The terms CAA , chapter 71 , and employing office have the meanings given the terms in sections 2421.1 through 2421.3, respectively. (2) The terms covered employee and employee of the Senate have the meanings given the terms in section 101 of the CAA ( 2 U.S.C. 1301 ).