5 U.S.C. § 2107 - U.S. Code - Unannotated Title 5. Government Organization and Employees § 2107. Congressional employee

(1) an employee of either House of Congress, of a committee of either House, or of a joint committee of the two Houses;

(2) an elected officer of either House who is not a Member of Congress;

(3) the Legislative Counsel of either House and an employee of his office;

(4) a member or employee of the Capitol Police;

(5) an employee of a Member of Congress if the pay of the employee is paid by the Secretary of the Senate or the Chief Administrative Officer of the House of Representatives;

[(6) Repealed.Pub.L. 90-83, § 1(5)(A), Sept. 11, 1967, 81 Stat. 196.]

(7) the Architect of the Capitol and an employee of the Architect of the Capitol;

(8) an employee of the Botanic Garden; and

(9) an employee of the Office of Congressional Accessibility Services.