3 Protocol Details
Except where specified, the protocol client SHOULD interpret HTTP status codes returned by the protocol server as specified in [RFC2616] Status Code Definitions section 10.
This protocol allows protocol servers to notify the protocol client of application-level faults using SOAP faults. Except where specified, these SOAP faults are not significant for interoperability, and the protocol client can interpret them in an implementation-specific manner.
This protocol allows protocol servers to perform implementation-specific authorization checks and notify the protocol client of authorization faults either using HTTP status codes or using SOAP faults as specified previously in this section.