151.122—Candidacy; exceptions.
Section 151.121(c) does not apply to—
(a)
The Governor or Lieutenant Governor of a State or an individual authorized by law to act as Governor;
(c)
A duly elected head of an executive department of a State or municipality who is not classified under a State or municipal merit or civil service system;
(f)
Candidacy for a position of officer of a political party, delegate to a political party convention, member of a National, State, or local committee of a political party, or any similar position.