The contract between the state and the contracting agency shall not:
(a)
Require information that violates client confidentiality.
(b)
Prevent a regional center from employing innovative programs, techniques, or staffing arrangements which may reasonably be expected to enhance program effectiveness.
(c)
Contain provisions which impinge upon the legal rights of private corporations chartered under California statutes.
(d)
Prevent the right of employees of a regional center to self-organization, to form, join, or assist labor organizations, to bargain collectively through representatives of their own choosing, and to engage in other concerted activities for the purpose of collective bargaining or other mutual aid or protection. Nothing in this subdivision shall be construed to limit the state’s authority to contract within available funds pursuant to Section 4621 or to obligate the state to appropriate funds in excess of those appropriated in the then current Budget Act.