Since the combined statement contains only duality or corporate
cards, the TC69 payment is applied only across the duality or
corporate cards as identified by the APP FLAG. Hence, a value of
‘1’ in the APP FLAG for all duality or corporate cards instructs
CardLinK to apply the payment to the billed amount, while a
value of ‘2’ instructs CardLinK to apply payment to the balance.
Let us refer to ‘billed amount’ as any minimum or fixed amount
due that is less than the statemented balance, and the term
‘balance’ as the actual outstanding balance of the account. A
single account will have a value of ‘0’ in its APP FLAG field and
applying the payment to the single account will not cause
CardLinK to apply any excess payment to the related duality or
corporate accounts. Therefore, single accounts need to be
satisfied exclusively, while duality or corporate accounts can be
satisfied through the apportioned payments TC69 code.