5 CFR 734.502 - Participation in political activity while on duty, in uniform, in any room or building occupied in the discharge of official duties, or using a Federal vehicle.
(a) This section applies to an employee:
(1) The duties and responsibilities of whose position continue outside normal duty hours and while away from the normal duty post; and
(2) Who is -
(i) An employee paid from an appropriation for the Executive Office of President; or
(ii) An employee appointed by the President by and with the advice and consent of the Senate whose position is located within the United States, who determines policies to be pursued by the United States in relations with foreign powers or in the nationwide administration of Federal laws;
(b) For the purposes of this subpart, normal duty hours and normal duty post will be determined by the head of each agency or instrumentality of the United States.
(c) An employee described in paragraph (a) of this section may participate, subject to any restrictions that may be imposed in accordance with § 734.104, in political activities:
(1) While he or she is on duty;
(2) While he or she is wearing a uniform, badge, or insignia that identifies the agency or instrumentality of the United States Government or the position of the employee;
(3) While he or she is in any room or building occupied in the discharge of official duties by an individual employed or holding office in the Government of the United States or any agency or instrumentality thereof; or
(4) While using a Government-owned or leased vehicle or while using a privately-owned vehicle in the discharge of official duties.
(d) An employee, to whom subpart E of this part does not apply, who is not on duty may participate in political activities in rooms of the White House or the Residence of the Vice President which are part of the Residence area or which are not regularly used solely in the discharge of official duties.