Elektronisk betaling EP820620 Det nye - 3a

(c) automatic verification by the payment server of whether the payment of the price is authorised for the concerned customer, the verification being effected, according to the amount of the price to be paid, either by interrogation of a customer account that belongs to the customer, is kept by the payment server and is intended for the payment of small sums, or by interrogation on a banking network, independent of the computer network, for the payments of higher sums,