A payment method is a standardized procedure for transferring the monetary amount for a purchase. Payment methods are characterized by the legal and technical structures used, and by the organization or group carrying out the transaction. The following legacy values should be accepted: \n\n http://purl.org/goodrelations/v1#ByBankTransferInAdvance\n http://purl.org/goodrelations/v1#ByInvoice\n http://purl.org/goodrelations/v1#Cash\n http://purl.org/goodrelations/v1#CheckInAdvance\n http://purl.org/goodrelations/v1#COD\n http://purl.org/goodrelations/v1#DirectDebit\n http://purl.org/goodrelations/v1#GoogleCheckout\n http://purl.org/goodrelations/v1#PayPal\n* http://purl.org/goodrelations/v1#PaySwarm\n\nStructured values, or UNCE payment means are recommended or for newer annotations.