(a)  After appointment of receiver or assumption of jurisdiction.- Within five days after the clerk issues the Notice to Creditors, the receiver or assignee shall send a copy of the Notice by first class mail, postage prepaid, to all known creditors of the debtor. The receiver or assignee shall file a certificate of mailing of the Notice within five days after the initial mailing. 

(b)  After filing of schedule.- Within five days after the expiration of the time for the debtor to file the schedule required by Rule 13-203, the receiver or assignee shall send a copy of the Notice by first class mail, postage prepaid, to all creditors shown on the schedule to whom the Notice was not sent pursuant to section (a) of this Rule. Not later than the last day for filing claims, the receiver or assignee shall file a certificate of mailing. 

(c)  Later-discovered creditors.- The receiver or assignee shall promptly send a copy of the Notice by first class mail, postage prepaid, to all creditors whose identity is discovered at any time after the schedule is filed or the expiration of the time for filing it. Not later than the last day for filing the final report and account, the receiver or assignee shall file a certificate of mailing.