Sure, you can do that if you can absolutely guarantee that everyone will always respect that separation and there will never be ambiguity between your internal and some partner's representation – even during incidents, even during low-level CSV-to-DB ETLs during incidents ("just one time, I promise, we don't have time to build the proper adapter, but look how similar their and our formats are").
Sure, you can do that if you can absolutely guarantee that everyone will always respect that separation and there will never be ambiguity between your internal and some partner's representation – even during incidents, even during low-level CSV-to-DB ETLs during incidents ("just one time, I promise, we don't have time to build the proper adapter, but look how similar their and our formats are").