How to unallcoate payments and credit notes from invoices. You may need to do this to
Edit or delete (void) an invoice to which you have allocated a payment or credit note.
The payment or receipt has been incorrectly allocated.
How this works
Unallocating transactions removes the link between the transactions so that you can make changes but will not remove any of the transactions or the amounts recorded in your bank account or for customer and supplier accounts.