(a) Demand. Within 15 days after the earlier of the appearance of counsel or the first appearance of the defendant before the circuit court pursuant to Rule 4-213(c), the defendant may file a demand in circuit court for a bill of particulars. The demand shall be in writing, unless otherwise ordered by the court, and shall specify the particulars sought.(b) Response to Demand. Within ten days after service of the demand, the State shall file a bill of particulars that furnishes the particulars sought or it shall state the reason for its refusal to comply with the demand.(c) Exceptions to Response. The defendant may file exceptions to the sufficiency of the bill of particulars or to any refusal or failure to comply with the demand. The exceptions shall be filed within ten days after service of the response to the demand or, if no response is filed, within ten days after the time within which a response should have been filed. The circuit court may rule on the exceptions without a hearing.(d) Amendment. On motion of the State, the court may permit a bill of particulars to be amended at any time subject to such conditions as justice requires.