.. and there are (rare) circumstances in which the answers are not unique.
I believe that to be not true for Irish IBAN values. Irish bank NSC & Account Number combinations are always unique. They are also embedded in the IBAN. That ensures uniqueness.
I believe that to be not true for Irish IBAN values. Irish bank NSC & Account Number combinations are always unique. They are also embedded in the IBAN. That ensures uniqueness.