To add a one off refund to an existing mandate please follow the instructions below:
1. Click on 'Collections'.
2. 'Contacts'
3. Select the Contact you wish to make the refund to.
4. Click 'Mandates'.
5. Select the Mandate you wish to make the refund to.
6. 'One-off transaction'.
7. Enter the refund details as required.
8. Create
This payment then goes into a payment file whic you can send to Bacs as you would any other collection or auddis transaction.