An employee covered under this subpart may not:

(a) Take an active part in managing the political campaign of a candidate for partisan political office or a candidate for political party office;

(b) Campaign for partisan political office;

(c) Canvass for votes in support of or in opposition to a candidate for partisan political office or a candidate for political party office, if such canvassing is done in concert with such a candidate, or of a political party, or partisan political group;

(d) Endorse or oppose a candidate for partisan political office or a candidate for political party office in a political advertisement, broadcast, campaign literature, or similar material if such endorsement or opposition is done in concert with such a candidate, political party, or partisan political group;

(e) Initiate or circulate a partisan nominating petition.