If a notice is returned by the post office, carefully check the file to determine
            that the address on the notice is correct according to the information available.
            Usually checking the file will resolve the problem. If it does not and the address
            is a U.S. address, attempt to contact the addressee by phone—call the area information
            operator if the home number is not in file. If a phone contact cannot be made, contact
            the servicing DO and ask for assistance in determining the correct address. Depending
            upon the urgency of the situation, telephone or write to the DO. If the DO contact
            is made in writing, attach the notice to the request, instructing the DO to forward
            the notice to the addressee as soon as the correct address is found. Be sure to prepare
            a photocopy of the notice for the claims folder.
         
         If the address is foreign, request assistance from the FSP. In these cases, attach
            a copy of the material from which the address was taken. Also attach the notice asking
            the FSP to forward it as soon as the correct address is found.
         
         If a notice is returned because the addressee is deceased, route the folder to a BA.