In one of my earlier posts, I had explained the concept of documents in SAP R/3. You can refer my post on the document principle in SAP here. Taking that discussion forward, today, I am discussing the various standard document types in SAP R/3. Each document in SAP is used for a speciic purpose. The document type in SAP controls the document header and is used to differentiate the business transactions to be posted. In SAP, document types are defined at the client level and hence are valid for all company codes. The SAP R/3 system comes pre-delivered with standard document types which can be used, changed and copied to make custom document types. Below are a few examples of standard document types in SAP.

1. Document Type 'AB' allows posting to all account types. All the other
document types have a limitation to the account one can post to. Some
documents allow posting only to customer and GL accounts.

2. Document type 'ZP' is used by the payment program for automatic postings.

3. Document type 'RV' and 'RE' are used by SAP system to transfer billing documents. Specifically, document type 'RV' is the default document type for SD Sales and Distribution Billing documents customer invoices and the document type 'RE' is the default document type for MM Materials Management Billing documents vendor invoices.

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