The source that supplies an item by default. You can use
purchase orders or schedules, production orders or schedules, assembly orders,
or warehousing orders to supply an item.
The default supply source determines what type of order is
used to supply the item, but in general, you can override the default and
specify an alternate source.
This field can be used to determine what
type of supply order must create if you enter a sales order for this item and the item's inventory on
hand is not sufficient.
Shop
Floor
Assembly
Purchase
If the item
type is Manufactured or Generic,
this field can be Shop Floor or Assembly.
If the item type is Engineering
Module, this field is Assembly and cannot be changed.
If the item type is Purchased, this field is Purchase and cannot be changed.