Returned payment( depend on your scenario, modify this if needed) :
The reference number that you got also reflects on our end as we can absolutely confirm that. However, when using an electronic check payment to pay for something, it is forwarding the said information of your account to us then your bank will evaluate this payment from a later date.
So what happen is that, we received your payment last (Date processed). Then on (Returned payment date), the payment was validated and then your bank return the payment back to us unpaid. Meaning, they didn't clear the said transaction or payment from their end.
Our best option to take care of this is by coordinating it back to your bank as to what exactly happen to the said payment. Given their expertise as a bank specialist, they can absolutely help you with everything you need to know about this payment.