If, after a reasonable period of time, representatives of the district and the accredited representatives of the employees fail to reach agreement on the terms of a written contract governing wages, hours, pensions, and working conditions or the interpretation or application of the terms of an existing contract, either party may request mediation services of the State Conciliation Service.
Source:
Section 125524, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PUC§ionNum=125524..