(a) Prisoners shall be permitted to meet for the purpose of discussing and preparing legal matters at times not unduly disruptive of facility routine. The chief administrative officer may establish reasonable guidelines for such mutual prisoner legal assistance.

(b) No prisoner shall receive payment, benefit or consideration in any form from a prisoner for providing such prisoner legal assistance. Any prisoner found to be in violation of the provisions of this subdivision may be subject to disciplinary action.

(c) Consenting prisoners shall be allowed to exchange personal legal materials. Prior to such exchange, the chief administrative officer may require prisoners to consent in writing to the exchange of such legal materials.