Posting Key Configuration
Posting keys determine whether a line item entry is a debit or a credit as well as the possible field status for the transaction. Modifying the SAP-delivered posting keys is not recommended. You may be able to get by with some changes, such as making additional fields optional on payment-type posting keys, without adversely affecting the system. If a change to a posting key is required, the best possible action is to copy the posting key that needs to be modified and then modify the copy. With these rules in mind, the configuration steps for posting keys are presented here.
You can use the following menu path to get to the posting key configuration screen: Financial Accounting
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