Section 15-5-119 - Duties of commission; rules; other powers(a) The commission, together with a committee of three (3) designated by the mayor from the governing body shall adopt, and the commission shall enforce all rules and regulations necessary for the government of their proceedings. The commission shall: (i) Adopt rules for: (A) The classification of employment; and (B) Promotion on the basis of merit, experience and good record. (ii) Prepare eligibility lists from which vacancies are to be filled; (iii) Prescribe the procedure for the investigation of breaches of rules and regulations. (b) The commission may compel the attendance of witnesses and do all other things necessary to carry out the purposes and intent of this article.