4. specimen letters-1 (1) Exporter urges importer to establish a letter of credit a We regret to inform you that there has been no news from you at all about your letter of credit which should have reached us before Sept. 9th 2002. This has caused us much inconvenience since we have already made preparations for shipment according to our sales confirmation No 44.specimen letters-1 (1) Exporter urges importer to establish a letter of credit ◼ We regret to inform you that there has been no news from you at all about your letter of credit, which should have reached us before Sept. 9 th , 2002. This has caused us much inconvenience, since we have already made preparations for shipment according to our Sales Confirmation No.4