Business stationery
The following were accepted as business papers for a reduced fee: all written or signed documents and documents in whole or in part that did not have the quality of an actual and personal communication, for example litigation files, public documents, consignment notes. Invoices, receipts, copies of contracts, written sheet music, etc. They are subject to the same provisions as printed matter in terms of form and external properties . The inscription must contain the words "business papers". The General Postal Union Treaty of Bern introduced business papers on July 12, 1875 (papiers d́affaires) to international traffic. 25 years later on March 1, 1900 in Germany, for a fee as for printed matter. On March 1, 1963, business papers were canceled in the domestic service.