1. Click on the Finance module
2. Click on Direct Debit
3. Click on Payment History
4. Click on Batch
5. Click on Actions on the batch containing the direct debit to be deleted
6. Click on Details
7. Click on Reject at the end of the line of the direct debit to be deleted
8. Check Yes to recreate the direct debit on another date
9. Enter the date for the direct debit to be recreated
10. Click on Reject

The direct debit is cancelled and recreated on the desired date.