Use this window and tab to view serials assigned to the selected modification. Here, you can view details on the modification including whether the modification is to be performed for the serial or not. If the modification is in the Preliminary status, you cannot view information in this window or tab. When a modification is set active, serials will be system generated according to the modification information, and one record for each assigned serial will be created. The effective date for the modification, helps you to plan when the due-calculation is to start and the modification execution type shows the subsequent event for the serial.
Define 
serial structure 
Maintain
  modifications 
	Disposition overhaul object
Decide
        if the Modification should be Performed for Serial
Identify 
Modification Requirements
Unassign 
Serial