Specific transactionA single completed transmission, e.g., transmissio... sets, such as the Purchase OrderA document that is created by a buyer indicating t... AcknowledgementA communication by a supplier to advise a purchase... (855), that both acknowledges receipt of an orderAn order is a request to ship products, following ... and provides special status information, such as reschedules, price changes, back order1) A request to a supplier or wholesaler for an ad... situation, etc.