(b)
Service as juror or witness in connection with a judicial proceeding; prohibition against reduction of pay
The pay of an employee shall not be reduced during a period of absence with respect to which the employee is summoned (and permitted to respond to such summons by the appropriate authority of the House of the Congress disbursing his pay), in connection with a judicial proceeding by a court or authority responsible for the conduct of that proceeding, to serve—
(2)
other than as provided in subsection (c) of this section, as a witness on behalf of any party in connection with any judicial proceeding to which the United States, the District of Columbia, or a State or local government is a party;
in the District of Columbia, a State, territory, or possession of the United States including the Commonwealth of Puerto Rico, the Canal Zone, or the Trust Territory of the Pacific Islands. For purposes of this subsection, “judicial proceeding” means any action, suit, or other judicial proceeding, including any condemnation, preliminary, informational, or other proceeding of a judicial nature, but does not include an administrative proceeding.
(c)
Official duty
An employee is performing official duty during the period with respect to which he is summoned (and is authorized to respond to such summons by the House of the Congress disbursing his pay), or is assigned by such House, to—
(1)
testify or produce official records on behalf of the United States or the District of Columbia; or
(2)
testify in his official capacity or produce official records on behalf of a party other than the United States or the District of Columbia.
(f)
Rules and regulations
The Committee on Rules and Administration of the Senate and the Committee on House Oversight of the House of Representatives are authorized to prescribe, for employees of their respective Houses, such rules and regulations as may be necessary to carry out the provisions of this section.