No deputy sheriff in the County Police Department and no employee in the County Department of Corrections shall participate in any manner in the activities or interests of any political party or of any candidate for public office or for the nomination therefor, nor participate in any manner in any political campaign for the nomination or election of candidates for public office. Violation of any provision hereof shall be cause for removal of any deputy sheriff or employee so offending. Nothing contained herein shall be deemed to interfere with the right of any person to vote for any candidate and upon any issue as his reason and conscience may dictate.
55 ILCS 5/3-7013