The judge of any General District Court may require the plaintiff to file and serve a written bill of particulars and the defendant to file and serve a written grounds of defense within the periods of time specified in the order so requiring; the failure of either party to comply may be grounds for awarding summary judgment in favor of the adverse party. Upon trial, the judge may exclude evidence as to matters not described in any such pleading.
Va. Sup. Ct. 7B:2