I don't know the current state of affairs. Last time I worked on ISO20022 (almost 10 years ago), our system were doing a 1-to-1 mapping from ISO8583, keeping ev

I don't know the current state of affairs. Last time I worked on ISO20022 (almost 10 years ago), our system were doing a 1-to-1 mapping from ISO8583, keeping every bit of unmaintable shit one could imagine