noun
available to promise; ATP
Business term used in inventory management and order fulfillment, indicating that a product is in stock and can be committed to a buyer. Often abbreviated as ATP.
納期回答の確認後、正式な注文書を送付します。
After confirming the available-to-promise status, we will send the official purchase order.
この商品は納期回答が可能ですので、最短でお届けできます。
This product is available to promise, so we can deliver it as soon as possible.
Compound of 納期 (delivery date) and 回答 (reply, answer), literally 'delivery date answer'. The specialized meaning 'available to promise' is a direct translation of the English business term.