2. The method of claim 1 , wherein, after operation (b), the policy management server requests the policy object requested from the policy agent to a policy repository, and the policy repository searches for the policy object requested from the policy management server and transmits the searched policy object to the policy management server.
1. A method for managing printing of an eXtensible Markup Language (XML) document, comprising: (a) receiving, at a policy agent included in a printing apparatus, a user request to print an XML document; (b) analyzing, at the policy agent, the XML document and requesting a policy object defining a printing layout and an access authority to output data, to a policy management server, wherein the policy object is identified by reference information for the location of the policy object located in the XML document; (c) receiving, at the policy agent, the policy object from the policy management server, interpreting the policy object, and obtaining policy information from the policy object; and (d) determining, at the policy agent, whether the user requesting to print the XML document has an access authority to the XML document on the basis of the policy information, and if it is determined that the user has the access authority, printing the XML document according to the policy information, wherein the policy information represents interpretation information for an XML tag.