(1) No person shall be appointed a member of the police or fire department in cities of the home rule class or urban-county governments on account of any political service, contribution, sentiment or affiliation. No member shall be dismissed, suspended or reduced in grade or pay for any political opinion.
(2) The appointment and continuance in office of members of the police or fire department shall depend solely upon their ability and willingness to enforce the law and comply with the rules of the department, and shall not be a reward for political activity or contribution to campaign funds.
(3) No member of either department shall be forced to pay or collect any assessments made by political organizations, contribute to political campaign funds, or be active in politics.
(4) No member of either department shall be active in politics or work for the election of candidates while on duty.