Terminology
SAP ATP (Available to promise): is a critical calculation used in supply chain management, manufacturing, and fulfillment. In a nutshell, ATP calculations is used in SAP to control the proportional distribution of your products among your customers
To be Issued Date
To be issued date is calculated according to the most updated document in the document flow (shipment document*, delivery document or sales order document).
(*) A shipment document can be created without the shipment dates. In this case the shipment document will be ignored in the determination of the To be invoiced or the To be issued date.
Rule follows the hierarchy below:
- Shipment completion date (planned or actual)
(Shipment document exists and the delivery is not issued)
- Delivery Planned Goods Issue date
(Delivery document exists without an actual Goods Issue date)
- Scheduled Goods Issue date
(Shipment & Delivery document do not exist)