PaymentVoidingProcess - mandatory fields
When using payment voiding, the following must be supplied:
- 
                              			            
                              
Supplier Account Code payload element
<SupplierAccountCode> - 
                              			            
                              
Payment Account Code payload element
<PaymentAccountCode> - 
                              			            
                              
Payment Reference payload element
<PaymentReference> - 
                              			            
                              
Discount Account Code payload element
<DiscountAccountCode>