The Civil Service Board shall adopt, amend, and enforce rules and regulations providing for the appointment and employment in all positions in the City classification plan. All rules are subject to the approval of the Mayor. The Board is responsible for certifying all entrance and promotional/transfer eligibility lists. All actions of the Civil Service Board are subject to judicial review by statutes and rules of the court. The Civil Service Board provides guidance and makes recommendations regarding employment activities and testing procedures. The Civil Service Board conducts hearings and renders decisions in response to appeals from civil service employees from action resulting in reduction, suspension, demotion, or discharge by City management. The Board has the power to administer oaths and the power to secure by its subpoena both the attendance and testimony of witnesses and the production of papers relevant to the hearing if necessary.