Functional Area in Master Data 
Use
You can enter the functional area in the master data of the following objects:
During posting, the system derives the functional area from the master data of the assigned objects. For more information, see
Derivation of the Functional Area.
Prerequisites
In order to be able to enter the functional area in the master data of the specified objects, the Functional area field in master data has to be ready for input. For this to be the case, cost of sales accounting for your company codes must either be active for preparation or active.
You make the settings in Customizing under Financial Accounting ® Financial Accounting Global Settings ® Company Code ® Cost of Sales Accounting ®
Activate Cost of Sales Accounting for Preparation or
Activate Cost of Sales Accounting.
The master data of some objects is not company code dependent, rather it is assigned to higher-level organizational units. In such cases, the functional area field is ready for input in all company codes of a client, provided that cost of sales accounting is active for preparation or active for at least one company code of the client.
In the following cases, the master data of an object is not company code-dependent:
Object |
Assigned organizational unit |
G/L account |
Chart of accounts |
Cost element |
Chart of accounts |
Cost center category |
Client |
Order type |
Client |
Features
You have the following options for entry of functional area in the master data of the specified objects:
You can enter the functional area provided that no postings exist for this object.
You can change a functional area that has already been entered as long as no postings exist.
Where postings already exist, it is no longer possible to change the functional area.

Postings that have already been made cannot be changed automatically. The functional area is derived only in the case of new postings.
Where it is absolutely necessary to change the functional area for existing postings, you can find instructions on how to perform the change in Note 115840.