(a)
Eligible employees
This section shall apply to—
(1)
each employee of the Senate whose compensation is paid from the appropriation for Salaries, Officers and Employees under the following headings:
(A)
Office of the Secretary, including individuals employed under authority of section
74b of this title;
(B)
Office of the Sergeant at Arms and Doorkeeper, except employees designated as “special employees”; and
(C)
Offices of the Secretaries for the Majority and the Minority;
(2)
each employee of the Senate authorized by Senate resolution to be appointed by the Secretary of the Senate or the Sergeant at Arms and Doorkeeper, except employees designated as “special employees”; and
(3)
each employee of the Capitol Guide Service established under section
2166 of this title.