Today, in this article we will tell you how document principle and structure is defined in SAP. Posting in SAP FI Module are stored in the form of a document and kept in the system until gets archived. Only a complete document can be posted in SAP.
Complete means the difference between debit and credit items must be equal to zero and you have entered the required items before posting the transactions. This means the transaction must comply the basic accounting equation used in double entry system of bookkeeping.
Each transaction should contain a header and two line items. Header is valid for the entire transaction and has information like the transaction date, posting date and document types etc.
Line items will have the information pertaining to individual business transactions within the transaction.
Line items in a transaction will have posting key to determine whether the transaction is a debit entry or credit entry, the account number to determine which account will be debited or credited and cost centers etc.
The transaction that is once posted can be edited, displayed and reversed. Editing is only allowed for certain specific fields not for the entire transaction. For instance, accounts posted in a document can not be changed. To get it changed you need to reverse the transaction and get posted the correct one.
In general ledger, a posted transaction can be displayed with transaction code FB03 and it can be edited with transaction code FB02.
Document principle in sap define the way a transaction is created, get posted and archived in the system.
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