Consistent interface for product catalogue and product tax classification assignment

A distributed system operating in a landscape of computer systems providing message-based services defined in a service registry, the system comprising:

• a graphical user interface comprising computer readable instructions, embedded on tangible media, for querying sales product catalogues by elements, including using catalogue identifiers and names, the instructions using a request;
• a first memory storing a user interface controller for processing the request and involving a message including a message package hierarchically organized as:
• a sales product catalogue by elements query sync message entity, wherein the sales product catalogue by elements query sync message entity includes at least one of the following:
• a selection by sales catalog ID entity from a selection by sales catalog package, and a query processing conditions entity from a processing conditions package;
• and
• a second memory, remote from the graphical user interface, storing a plurality of service interfaces, wherein one of the service interfaces is operable to process the message via the service interface.

A computer readable medium including program code for providing a message-based interface for exchanging information about product tax classifications, the medium comprising:

• program code for receiving via a message-based interface exposing at least one service as defined in a service registry and from a heterogeneous application executing in an environment of computer systems providing message-based services, a first message for notifying of a product tax classification, including information about an assignment of a product to product tax standard classification codes related to a given product tax standard classification system, the first message including a message package hierarchically organized as:
• a product tax classification notification message entity;
• and
• a product tax classification package including a product tax classification entity, wherein the product tax classification entity includes a product universally unique identifier, a product key and system administrative data, and
• program code for sending a second message to the heterogeneous application responsive to the first message.

A distributed system operating in a landscape of computer systems providing message-based services defined in a service registry, the system comprising:

• a graphical user interface comprising computer readable instructions, embedded on tangible media, for notifying of a product tax classification, including information about an assignment of a product to product tax standard classification codes related to a given product tax standard classification system, the instructions using a request;
• a first memory storing a user interface controller for processing the request and involving a message including a message package hierarchically organized as:
• a product tax classification notification message entity;
• and
• a product tax classification package including a product tax classification entity, wherein the product tax classification entity includes a product universally unique identifier, a product key and system administrative data;
• and
• a second memory, remote from the graphical user interface, storing a plurality of service interfaces, wherein one of the service interfaces is operable to process the message via the service interface.