Solution : https://service.sap.com/sap/support/notes/1380308 (SAP Service marketplace login required)
Key words : 
prerequisites consulting solution, user exit mentioned, cancellation procedure sd, cancellation document reason, cancellation document, cancellation procedure, cancellation method, performed completely, odn number, parameter rule_new_cancel
Related Notes : 
       
| 1332622 | Reference XBLNR not required in cancellation document for MX | 
| 803276 | Official Document Numbering Italy: consider cancellation |