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Cost Center Accounting (CO-OM-CCA) 
Use
So that data remains consistent in a group of loosely-coupled SAP Systems, in cost center accounting you can distribute
Master and Transaction Data between the systems. You can choose between two distribution methods.According to the information in the distribution model, the different data maintenance functions are carried out in different systems.
Functions |
Distribution Method 01 (Centralized Cost Center Accounting) |
Distribution Method 2 (Decentralized Cost Center Accounting) |
Master data maintenance - Activity Type - Cost Center - Resource |
central cost accounting system/master data maintenance system |
central cost accounting system/master data maintenance system |
Maintenance of the Standard Hierarchy |
central cost accounting system/master data maintenance system |
central cost accounting system/master data maintenance system |
Totals records administration |
central cost accounting system |
master system cost center |
Planning |
central cost accounting system |
master system cost center |
Period-end closing |
central cost accounting system |
master system cost center |
Posting with account assignment to cost center |
central cost accounting system/ decentralized system |
central cost accounting system/ master system cost center/decentralized system |
Information system |
central cost accounting system |
Master system cost center/ central cost accounting system |
Information system |
central cost accounting system |
central cost accounting system |

The period closing function can be executed for distribution method 2 on the central cost accounting system also. However, a warning message will appear. This can be disabled in Customizing. In Customizing for Controlling, choose Controlling: General
® Account Assignment Logic ® Change Message Control. Enter the message control KI and disable the message number 005. If you do not enter a user, the change applies to all users.If centralized period-end closing should not be used in distribution method 2, in the central cost accounting system, you can change the warning message to an error message in the same way.
The following distribution methods are provided in cost center accounting:
Central Cost Accounting (distribution method 1)
Decentralized Cost Accounting (distribution method 2)
For more information about ALE see the SAP Library under Basis ® Middleware ® ALE Introduction and Administration.