Section 55 ILCS 5/3-12005 - Powers and duties of commissionThe commission shall:
(a) be empowered to promulgate and amend rules, pertaining to the merit employment system, within the scope of Section 3-12007. Such rules and amendments thereto, upon adoption by majority vote of the commission, shall be submitted through the county board chairman to the county board and shall become effective 60 days thereafter unless the board enacts a resolution of non-acceptance within that time.(b) by its rules, provide for promotion on the basis of ascertained merit, examination and seniority, and provide, where practicable, that vacancies shall be filled by promotion. The commission shall submit to the appointing authority the names of not more than 5 applicants for each promotion.(c) review any grievance or disciplinary action concerning an employee where appealed by such employee, and issue a final determination.(d) investigate or require the Director of Personnel to investigate any matter, as it considers necessary, concerning the management of county personnel.(e) make periodic recommendations and reports as required by the county board.(f) perform such other duties as may be expressly set forth in this Division and in the regulations adopted pursuant thereto.