No person in the executive or administrative services shall directly or indirectly give, solicit or receive, or in any manner be concerned in giving, soliciting or receiving any assignment, subscription, or contribution for any political party or for any candidate. No person in the executive or. administrative services of the City shall be an officer or member of any political committee, nor shall such person take an active part in any political campaign. Any violation of this section shall operate to forfeit the office or position held by the person violating the same and shall render any such person ineligible to any municipal office or position for a period of one year.