A usage rule management server used in a content management system, in which a content and usage rules thereof under management of a certain content management terminal are temporarily moved to an intermediate system, and then moved back to the same content management terminal or moved to any other content management terminal, the usage rule management server being connected with the content management terminal over a network, and
- comprising:
- a database registration section operable to receive, under secure communications, from among the usage rules of the content to be moved by the content management terminal, at least any of the usage rules which are not defined by the intermediate system, and register the usage rules in a database;
- and
- a database retrieval section operable to search the database in response to a request coming from the content management terminal to which the content is moved from the intermediate system, and notifies the retrieval result to the content management terminal.