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Function documentation Reversal Locate the document in its SAP Library structure

Purpose

The reversals described here relate to business transactions (BTs) for financial instruments. Reversals for documents created in accounting also have to be triggered in accounting. Similarly, reversals for documents from external BTs have to triggered externally (by the source system). The accounting system does not carry out any plausibility checks for reversals.

External BTs cannot be corrected manually in accounting.

Prerequisites

A reversal involves completely resetting an original business transaction. An original posting must exist to which the reversal can refer. The system reads the data from the original posting, reverses the document and posts it again. A reversal is thus the inverse posting of the original posting. The system does not execute the posting rules again. It assumes that the source system delivering the reversal has checked whether the specified original document really is to be reversed. The reason for this is that:

Manual reversals are possible only for BTs created within accounting.

Debit/Credit Sign Logic

You can specify how the debit/credit (+/-) sign for the reversal document is to be determined. You have two options:

In Customizing, choose Bank Analyzer Accounting Balance Analyzer Accounting After Generation Processing for Business Transactions Basic Settings Reversal Set Debit/Credit Indicator for Reversal.

Reason for Reversal

Manual reversals require you to specify a reversal reason. The reversal reason determines the reversal’s posting date. A reversal posting is usually posted for the same date as the original posting. If the period in question is blocked, the reversal posting can be posted on the first day of the period that is currently open.

For more information about reversing documents whose posting dates are in a closed posting period, see Reversal in Closed Periods.

To define reversal reasons, choose Bank Analyzer Accounting Balance Analyzer After Generation Accounting Processing for Business Transactions Reversal Edit Reversal Reasons in Customizing.

Features

Reversal Business Transaction

The reversal business transaction differs from the original business transaction in the data that has to be delivered. Only the fields business transaction ID and source system for the reversed business transaction, the business transaction ID for the reversal business transaction and the legal entity are required to process a reversal business transaction in Balance Analyzer. These FDB fields are transferred into the document key for the reversal document, sender ID, document key for the document to be reversed, and the legal entity of the Balance Analyzer business transaction. You do not need to make the same Customizing settings as for the original business transaction.

Internal BTs generated because of a (reversed) external BT are also completely reversed in accounting the next time that internal business transactions are updated.

Accounting in Bank Analyzer does not support partial reversals, so a BT is either reversed completely or not at all.

Reversal Peg

For reversals, a recognizable link has to be created between the document for the reversal BT and the document for the original BT (reversal peg). Reversal documents can also be reversed. This in turn triggers a reference to the original BT. The reversal peg between the original document and the first reversal document is canceled and a reversal peg is created between the first and second reversal documents. The original document reverts back to the state it was is in before the first reversal took place. If you reverse a reversal document, the original document is simply remarked as ‘not reversed.’

A new (corrected) original posting is usually generated as a result of a reversal. This posting is not assigned in any way to the original posting or its reversal.

Effects of Reversals on Position Management

Reversals affect position management because several internal BTs can already have occurred for a reversed external BT. These are also reset the next time internal BTs are updated.

Average Exchange Rates and Consumption Sequence Procedure
Corporate Actions

As for all other BTs, reversals of corporate actions are also delivered to the FDB as reversals of BTs. Related BTs are reversed together.

Activities

You can find more information about reversing financial products manually in Post/Reverse Financial Products.. You can find more information about reversing impairments manually in the Impairment document.

Example

Posting Block at Month-End Closing

This graphic is explained in the accompanying text

Conventional reporting using T-accounts

Postings in period 1:

 

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