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If the confirmation delay before start time has been set, compute a reservation deadline DL2 by substracting subtracting the confirmation delay before start time from the product validity start datdate
Consider the minimum of DL 1 and DL 2
If the computed reservation deadline is before the reservation date, consider the reservation date as the deadline
If DL1or DL2 can't be computed (because the information needed to compute it isn't available), consider
The list of payments screen has been extended in order to display the group to which a payment method belongs:
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