См. также: валюта, валютное кредитование, валютный кризис, валютный счет
It would seem that if party wishes to be more sure that the currency of a contract should remain in euros, regardless of the lex monetae principle, it should include words which make clear, for example, that the currency of the contract will remain in euros regardless of whether the country of payment remains within the European Monetary Union or not. (Practical Law)
