This reflects the historical quirks of a given implementation; it is not an appropriate choice for a standardized format to be Shared among multiple implementations.
The canonical message model represents the standardized format used for exchanging business information on a service bus.
The gist of the idea is that we need every institution that can do so putting raw data in standardized format up on the web.
You have this standardized form and you've got carbon paper between them and you typed it — all these really created much more accurate techniques.
