This is a problem !
If you don't give our reference to your bank they will allocate a random reference to your standing order. They will then send us payments, but we will not be able to tell who is sending us the money and in the worst case we will not only be unable to make a booking for you, but we will not be able to contact you to tell you that we have a problem or to return your payments.
If you realise that you have forgotten to specify your unique reference please contact your bank for further advice. If they are unable to correct the problem before the First Payment Date we are unfortunately not able to help as you will have missed the cutoff date for the plan you wanted to join and will not be able to use OUPS PayPlan to pay for that event.