Except for good cause shown, all motions for subpoenas duces tecum shall be served on: (1) the custodian of the books, papers, documents or other objects which would be subject to the subpoena; (2) all parties; (3) all persons whose books, papers, documents or other objects would be subject to the subpoena; and (4) all persons who may have a claim that privileged material would be subject to the s