1. Focus>Accounts Payable>Cheque Processing.
2. Highlight the cheque run that has the cheque that you wish to cancel and press Enter.
3. This will then take you into the cheque run and then in the top box you will be able to see all the cheques that have been issued.
4. Locate the cheque that you wish to cancel and then click the green cross on the right.
5. This will now cancel the cheque and then change the status of the invoice from Paid to Fully Authorised.
6. You will now be able to either pay the invoice again or cancel the invoice.