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Creating one WBS for Each Sales Document Item 
Use
Assembly processing creates a network for each sales document item. You can however only generate one project definition for the sales document. This means that you repeat a material in different items. You can decide in the standard project definition whether a separate work breakdown structure is generated for each network or the networks are assigned to the same structure.

You receive an order to build three chemical plants. These plants are basically the same, but are in different locations and as a result have different people responsible for the different locations. You therefore generate a separate structure for each sales order item.
By setting the SD/PS indicator you specify that a separate structure is generated for each item in the sales document.
Prerequisites
You must use a project coding mask that is valid (not locked) for standard projects and that has a second section that is large enough to accommodate the item number. For more details, see
Determining the Project Number from the Sales Document.
Activities
You set the SD/PS assignmnt indicator on the Control tab page of the standard project definition.
To access this screen:
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