An attorney may submit a motion to withdraw from a case if they have a valid reason to do so. Commonly accepted reasons include: Failure to pay attorneys' fees.Make sure you file this form before your case is scheduled to be dismissed. Court Forms and Instructions. Completing the Forms. Form 17: Certificate of Compliance. Form 18: Motion for Extension of Time to File Brief. Most likely means your brother's attorney is asking to get off the case. Normally the prosecutor doesn't ask to be withdraw, they would just notify the court. A motion to withdraw appearance means that the attorney is no longer representing the client.