[Symbiote]

I see this repeated often, but it's not unusual in Denmark for credit cards, especially corporate cards, to have an extra fee applied.

Example in English: https://www.flysas.com/en/help-and-contact/faq/booking/why-d...

And in Danish: https://www.tivoli.dk/da/om/vilkaar-og-betingelser/betalings... (or without the reasoning in English: https://www.tivoligardens.com/en/om/vilkaar-og-betingelser/b... )

[gambiting]

I had a quick look at the rules here in UK, and yes, apparently you can still be charged, but only for using business/corporate credit cards, not otherwise:

https://www.citizensadvice.org.uk/debt-and-money/borrowing-m...