The Regents of the University of California, the Trustees of the California State University, and the Board of Governors of the California Community Colleges shall not be subject to this chapter except that the trustees shall develop policies and procedures maintained in its state university administrative manual and the board shall adopt policies and procedures maintained in its administrative manual that further the legislative policies for contracting expressed in this chapter but without the involvement of the Director of Finance, the Director of General Services, the Department of Finance, the Department of General Services, the Director of Technology, or the Department of Technology.