Upon entry of the sales order into the OLTP system, the product allocation procedure is read from the ATP product master record.
If a sequence of product allocation procedures exists, the subsequent procedures are read from this product allocation sequence.
There could be a number of steps for each product allocation procedure. Each step is associated with a product allocation group.
In each product allocation group there may be multiple product allocation objects that cover a corresponding data area.
For each product allocation object, there is a time series of planned product allocation quantities associated with a set of characteristics.
The first procedure is determined from the ATP tab page in the product master, corresponding to the product of the sales order item. If the location-dependent product allocation procedure is missing, then the location-independent procedure is used.
The first step in the procedure is examined. Based on the sales order date, a valid product allocation object and its associated characteristics/time series is examined, if and only if there is a matching characteristic with or without the wildcard character. If there are matching characteristics and remaining available quantities, a product allocation is made.
If the first step fails, the second/next step is examined. Each step should be designed to check for product allocation objects with fewer or more general characteristics (Example: From customer/DC level in step 1 to DC level only).
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