Rule 15 - Expedition of Court Business(a) Required notice. Attorneys shall advise the court promptly if a case is settled. An attorney who fails to give the court such prompt advice may be subject to such discipline as the court deems appropriate. (b) Effect of failure to appear. An attorney who, without just cause, fails to appear when his case is before the court on a call or motion or on pre trial or trial, or unjustifiably fails to prepare for a presentation to the court necessitating a continuance, may be subject to such discipline as the court deems appropriate.