You do need to know whose rate you applied. Even if the UK and the French rate are the same, you need to know whether you charged the UK rate or the French rate

You do need to know whose rate you applied. Even if the UK and the French rate are the same, you need to know whether you charged the UK rate or the French rate, and they might change and get out of sync on different dates. So you gain nothing with the fact that some percentages match.