In SAP's organizational structure, the Chart of Accounts (CoA) is a list of all General Ledger (G/L) accounts. While the CoA is defined at the client level to be available system-wide, it is mandatorily assigned to each Company Code. This assignment is a fundamental prerequisite for financial accounting activities within that company code. It links the company's legal accounting framework to the G/L accounts used for posting and reporting. A single CoA can be assigned to multiple company codes to facilitate standardized reporting, but each company code can only be assigned one operational CoA.

A. Operating Concern: An Operating Concern is the primary organizational unit for Profitability Analysis (CO-PA) and is assigned a Controlling Area, not directly a Chart of Accounts.

C. Controlling Area: A Controlling Area is assigned a Chart of Accounts to ensure consistency with its assigned Company Codes, but the primary and direct assignment for financial accounting is to the Company Code.

D. Client: A Chart of Accounts is defined at the client level, making it available for use, but it is not assigned to the client. It is assigned to lower-level organizational units like the Company Code.

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1. SAP S/4HANA Product Assistance: In the section on General Ledger Accounting

it is stated: "You assign a chart of accounts to each company code. This chart of accounts is the operative chart of accounts and is used for the daily postings in this company code."

Source: SAP Help Portal

SAP S/4HANA Cloud

Product Assistance > Finance > General Ledger Accounting > Master Data > Chart of Accounts.

2. SAP Implementation Guide (IMG): The configuration path for this assignment confirms the relationship. The specific activity is named "Assign Company Code to Chart of Accounts."

Source: SAP Reference IMG -> Financial Accounting -> General Ledger Accounting -> G/L Accounts -> Master Data -> Preparations -> Assign Company Code to Chart of Accounts (Transaction Code: OB62).

3. University Courseware: Academic materials on SAP organizational structures consistently depict this relationship. For example

in "An Introduction to SAP ERP" by Magal & Word

a standard textbook for university courses

the organizational data chapter illustrates that a company code must be assigned a chart of accounts.

Source: Magal

S. R.

& Word

J. (2012). Integrated Business Processes with ERP Systems. Wiley. Chapter 3

"Organizational Data

" Figure 3.10 illustrates the assignment of a Chart of Accounts to a Company Code.