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Steps:
1) Consistent Chart of a/c’s( Treat each cost element in all company codes in same way).
2) The Operative fiscal year variants in the company codes must match the fiscal year variant in controlling area.
3) You should execute period end closing in controlling for all company codes at same time.
4)The system only post reconciliation posting across company codes without taxes, which means that it cannot automatically create invoice.
5) Maintain controlling area tcode OKKP
6) Maintain no. ranges for controlling documents tcode KANK
7) Maintain versions tcode OKEQ
Notes:
If you assign more than one company code to one controlling area, then you need to note the following:
You need to use a consistent chart of accounts
You need to treat each cost element (in all company codes) in the same way (for example, as a primary cost element, or as an accrual cost element).
In Financial Accounting, you can also use country-specific charts of accounts.
The operative fiscal year variants in the company codes must match the fiscal year variants in the controlling area.
You should execute period-end closing in Controlling for all company codes at the same time. Separate period-end closing for each company code would be too time-consuming.
You can only execute period-end closing for a shared controlling area once closing is complete in Financial Accounting.
If you wish to calculate plan prices automatically, you need to wait until planning is complete.
The system only posts reconciliation postings across company codes without tax, which means that it cannot automatically create invoices.
For tax reasons, cost flows (that are cross-company code) in Controlling can only be passed onto Financial Accounting if the company codes form an integrated company with sales tax.
If you wish to prevent cross-company code postings in Controlling, then you need to create a detailed authorization concept.
Retrospectively excluding a company code in another SAP system or client, requires more time and effort than in cost accounting by company code.
If you only use one controlling area, you can only use one operating concern.
You can only display profit center allocations in a controlling area.
You can only use transfer prices within a controlling area.
You need to take the following into consideration when deciding on the controlling area – company code assignment:
It is currently not possible to make CO allocations across controlling areas.
However, if you then create a controlling area with more than one assigned company code so that you can use all the functions in Controlling, you may be causing a significant amount of extra work. Therefore, check to see if you really need a 1:n relationship and whether the extra work it would create is acceptable.
SAP recommends a 1:n relationship between controlling area and company code for the following situations:
Cross-company code transactions that MUST be processed in a controlling area, for example, production in an associate plant, special cases of intercompany processing.
Cross-company code CO postings that can be displayed in the reconciliation ledger, such as assessments, capitalization of internal activity in Asset Accounting, activity allocation.
Representation of group costing
Use of Profit Center Accounting and transfer prices
Multilevel Product Cost Management across company codes
Activities: To assign one or more company codes to a controlling area, go to the Implementation Guide (IMG) and choose Controlling -> Organization -> Maintain Controlling Area.
To assign company codes to an existing controlling area, select a controlling area.
Choose Assign company code(s).
Choose New entries.
Enter the company code(s) that you want to assign to the selected controlling area.
The company code(s) must be fully maintained before you can assign them to a controlling area.
