Displaying Changes to Parked Documents 
Changes to parked documents are logged and can be displayed both before and after the document is posted.
The system displays any changes that have been made.
You can also have the system display a special list containing all the changes made to parked documents. To do this, choose Document changes
The system then branches to a list of the changes made to the parked document. If changes were only made when the document was parked and not once it was posted, the system informs you of this, searches automatically for the changes to the parked document, and lists them.
If the number of the document was changed - for example as part of changes to the document header - you can search for the changes made to the document under its original number via the menu path Document changes ® Earlier document no..