You can enable an item for each functional area by using that functional area’s item defining attribute. An item defining attribute identifies the nature of an item. For example, what designates an item as an “engineering item” is the attribute Engineering Item. If a functional area’s item defining attribute is controlled at the Organization level, then that functional area may only have an Organization level default category set.
When you enable an item for a certain functional area, Oracle Inventory automatically assigns the item to the default category set of that functional area and the default category of that set. For example, if you set Inventory Item to Yes, then Inventory automatically assigns the item to the Inventory functional area’s default category set and default category.
You may change a functional area’s default category set under certain conditions. You should ensure that every item within the functional area belongs to the new default category set (which replaces the existing default category set). If the item defining attribute of the functional area is controlled at the Organization level then the new default category set should also be controlled at the Organization level.