If the goods ordered by the customer are not available on the requested date, the system branches automatically during sales document processing to a further screen where delivery proposals are offered for selection. The system determines these proposals on the basis of the availability situation. This screen also provides you with information on the scope of the check, the current ATP quantity, and the availability situation across all plants.
Availability Control
On the Availability Control screen, you can choose between the following delivery proposals:
- One-time delivery on the requested delivery date
In this section, the system checks whether the requested delivery date can be kept to. If stock of the material is available to make a delivery on the requested delivery date, the stock quantity is confirmed here. If there is no stock available, confirmed quantity zero is displayed.
To copy this data into the sales document, select Edit ® One-time delivery.
- Complete delivery
In this section, the system checks whether there will be sufficient stock for complete delivery at a later date:
- If there is sufficient stock available at a later date to cover the required quantity in the sales document, the system proposes the date here.
- If the system determines that complete delivery cannot be made at a later date, no date is proposed in this section.
When availability is checked including replenishment lead time, the date which is proposed in this section is the date on which the replenishment lead time period ends if the stock before the end of replenishment lead time does not cover the order quantity.
When availability is checked excluding replenishment lead time, the system bases its calculations on the stock and the planned inward movements of stock.
To copy this data into the sales document, select Edit ® Complete delivery
- Delivery proposal
In this section, the system checks whether and for which dates partial deliveries can be made. Partial deliveries are displayed for different dates. These dates are based on the planned inward and outward movements of stock.
During an availability check which takes replenishment lead time into account, the date on which replenishment lead time ends is displayed if insufficient stock means that no partial deliveries can be made before replenishment lead time ends.
During an availability check which does not take replenishment lead time into account, the system displays the dates on which partial deliveries can be made with the available stock.
To copy this proposal into the sales document, select Edit ® Delivery proposal
The dates displayed in the sections complete delivery and delivery proposal are determined from the material availability date using forward scheduling and represent actual delivery dates.
Availability Across Plants
You can display the availability situation in the various plants for which a material is maintained. To do this, proceed as follows:
- Select Goto ® Other plants on the availability control screen.
- Mark the plants in which you want to check availability and select Check plants.
- If you require detailed information on the availability check for a particular line, select the relevant line and select Edit ® Check availability.
- You can select a plant with sufficient quantity for confirmation to be copied automatically into the Overview screen. Select the appropriate line and select Edit ® Copy plant.
The dialog box Plant Selection appears. All plants for which the material is maintained are displayed.
You reach the Availability Check: Overview screen. The requirements quantity and the quantity which could be confirmed as well as some additional information is displayed in a separate line for each plant you selected.
You reach the Date proposals dialog box where the detailed data is displayed.
Using the user exit USEREXIT_PLANT_SELECTION in the Include LV03VFZZ you can make a preselection of the allowed plants. If you use this option, the Plant selection dialog box does not appear and the availability check is performed immediately for the allowed plants. If, on the basis of information resulting from the availability check, you want to deliver from a plant other than the one specified in the item, you must at present enter this plant manually in the item. In a later release, however, you will be able to select the plant directly from the list of plants.
Displaying the ATP Quantities
If you want to display the current ATP situation on the availability control screen, select Goto ® Availability overview.
Displaying the Scope of the Check
If you want to display the scope of the check (stock and inward/outward movements of goods taken into account during the availability check) from the availability control screen, select Goto ® Scope of check.
Delivery Agreements in the Customer Master Record
A customer may react in different ways to the fact that a complete delivery can not be provided for the required delivery date. You can define in the customer master record, the way a customer reacts to the inability to meet the requirements represented by the key data.
- The customer wants complete delivery of all items by the requested delivery date or at a later date.
The complete delivery indicator is copied into the sales document from the customer master record. To find it, select Header ® Business data on an overview screen or a header screen. You find the indicator in the Shipping section.
If the complete delivery indicator is set in the sales document, the individual items are automatically correlated when the document is saved if the schedule lines exist for various dates (that is, a delivery group is automatically created for the sales document items and the latest delivery date within this group becomes the group delivery date). For further information on delivery groups, see 
Combining Sales Document Items for Delivery.
- The customer only allows a certain number of partial deliveries for each item.
The partial delivery indicator and the number of partial deliveries are copied into the sales document item from the customer master record. To find the indicators:
- Go to the Business Data screen for this item.
- Select Edit ® Shipping details.
The indicators are found in the Shipping section.
Performing the Availability Check Again
Usually, an availability check is only performed when a sales document is created. If quantities or dates are changed in the document and availability needs to be checked again, the check is performed again automatically . However, you can also initiate an availability check manually.
Automatic Checks
In the following situations, a new availability check is automatically carried out:
- Quantity change
- Date change (requested delivery date, material availability date)
- Change to the fixed data
- After new delivery scheduling (for example, the route or shipping point has been changed)
- Change of plant
- Change of storage location or batch
- Removal of blocks which affect requirements
- Removal of reasons for rejection
Initiating a Check Manually
In the sales document, you can initiate a new availability check manually. If you want to perform an availability check for all items in a sales document, select Sales document ® Check availability on the header screen. If you want to check availability for an individual item, select Edit ® Item availability.
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