A reception apparatus for receiving AV content broadcast by broadcast waves, said reception apparatus comprising: a reception block for receiving said AV content; a trigger detection block configured to detect trigger information which is transmitted along with said AV content and which concerns acquisition of a description document for displaying content different from said received AV content, the description document including instructions in a predetermined computer language for displaying the content, wherein the trigger information comprises a uniform resource locator, URL, identifying the description document; a determination block configured to determine based on the URL whether the description document is managed by a broadcasting organization broadcasting said AV content or by a business operator other than said broadcasting organization, wherein the determination block is configured to determine that the description document is managed by said broadcasting organization if the description document is to be acquired from an information processing apparatus that is managed by said broadcasting organization; an acquisition block configured to acquire the description document in accordance with the detected trigger information; a control block configured to control execution of said acquired description document in accordance with the result of the determination made by said determination block; and an execution block configured to execute the acquired description document, wherein, if it is determined that said description document is managed by said broadcasting organization, said control block controls said execution block to operate in a first management mode in which a predetermined process can be performed, and wherein, if it is determined that said description document is managed by said other business operator, said control block controls said execution block to operate in a second management mode in which said process cannot be performed. a reception block for receiving said AV content; a trigger detection block configured to detect trigger information which is transmitted along with said AV content and which concerns acquisition of a description document for displaying content different from said received AV content, the description document including instructions in a predetermined computer language for displaying the content, wherein the trigger information comprises a uniform resource locator, URL, identifying the description document; a determination block configured to determine based on the URL whether the description document is managed by a broadcasting organization broadcasting said AV content or by a business operator other than said broadcasting organization, wherein the determination block is configured to determine that the description document is managed by said broadcasting organization if the description document is to be acquired from an information processing apparatus that is managed by said broadcasting organization; an acquisition block configured to acquire the description document in accordance with the detected trigger information; a control block configured to control execution of said acquired description document in accordance with the result of the determination made by said determination block; and an execution block configured to execute the acquired description document, wherein, if it is determined that said description document is managed by said broadcasting organization, said control block controls said execution block to operate in a first management mode in which a predetermined process can be performed, and wherein, if it is determined that said description document is managed by said other business operator, said control block controls said execution block to operate in a second management mode in which said process cannot be performed. <EOS>