PDC reversal
 This will cancel the check, reverse the payment transaction, and undo the settlement, allowing us to select that invoice for settlement again.
  Following are the steps-
1.	Go to Accounts Payable>Payments>Vendor postdated checks.   
2.	Select the Journal batch number that we want to reverse and click on Settle>Cancel postdated check.
3.	Select ‘Date’ and ‘Journal name’ and click on ‘OK’.
4.	It will create and post a reversal journal and cancel the check.
5.	To verify the status of check, Go to Cash and bank management>Payment reversals>Checks.
                                                                    CDC reversal
  Following are the steps-  
1.	   Go to Cash and bank management>Payment reversals>Checks.
2.	   Select the check which we want to cancel and click on ‘Payment reversal’.
3.	   Select ‘Date’, ‘Journal name’ & ‘reconcile’ and click on ‘OK’.
4.	   It will create a journal with reversal entry and change the status as ‘Pending cancellation’.
5.	   To post the journal Go to Cash and bank management>Payment reversal approvals>check reversals.
6.	   Once it is posted, it will cancel the cheque and status will change as ‘cancelled’.