This web service contains the functions to perform the Cancel Letter Out TMA 2004 action.

The following operations are supported. For a formal definition, please review the Service Description.

• CancelLetterOutTMA2004
  Receives RequestInfo class object which contains required information to perform the Cancel Letter Out TMA 2004 action. In return it will return ResponseInfo class object which will tell whether an operation was successfull, if not it will return ErrorCode and ErrorMessage.