Method for managing subscriber credits in a paytv system

Method for providing Pay-TV services, comprising the steps of:

• making available an offering to at least a subscriber location, the potential subscriber being enabled to select and purchase events among said offering made by a services provider,
• attaching a price information to each of the events offered by the provider,
• allocating a credit limit to the subscriber upon initial subscription,
• storing information on services purchases made by the subscriber, such storing including the step of increasing a debit counter thus defining a remaining value,
• initiating a communication for conveying said information to the service provider by an electronic return channel at a time defined by the remaining value or timing criteria,
• issuing a bill to the subscriber at a time of billing, wherein the time of billing is made dependent on a plurality of conditions involving in particular the subscriber's rate of consumption of TV services.