Legally nothing, they can’t chase you up for it in another country and it won’t have any affect on your credit rating in your home country. However if you ever move back to the UK you’ll struggle to get credit.
At £900 it will most likely just get written off too.All credit card companies are international so they will probably inform your home country – they will not be able to inforce the debt, but it will affect your credit rating in your own country…and of course do not attempt to re-enter the UK, they have very long memories

 

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