(1) Upon an attorney having entered his appearance in a case, the attorney shall remain of record, unless the attorney is relieved of his responsibilities by an Order of this Court. The attorney desiring to withdraw from either a civil or criminal case shall file a motion for leave to withdraw with a notice setting the motion for a hearing on a motion day. A copy of the motion and notice shall be served upon the client.

(2) In criminal cases, unless otherwise agreed by the attorney and his client, the attorney's responsibility for that client will end upon expiration of the time for filing a notice of appeal after the entry of the final judgment or sentencing order.