An attribute information acquisition method, including transmitting an
attribute request for contents attribute information for altering
attributes of contents data stored in a storage medium to an attribute
information providing apparatus. The method also includes receiving the
contents attribute information transmitted from the attribute information
providing apparatus as a result of the transmission of the attribute
request. Further, the method includes transmitting to an accounting
status notification apparatus a notification request for accounting
status notification information that indicates whether an accounting
process that corresponds to the contents attribute information has been
completed, when a communication enabled state with the attribute
information providing apparatus is restored after communication with the
attribute information providing apparatus is interrupted during the
receiving the contents attribute information. In addition, the method
includes receiving the accounting status notification information
transmitted from the accounting status notification apparatus as a result
of transmitting the notification request.