European Unit of Account European Unit of Account The European Unit of Account (EUA) was a unit of account used in the European Communities from 1975 to 1979, when it was replaced at parity by the European Currency Unit, in turn replaced at parity in 1999 by the euro. Initially it was used for Lomé Convention and European Investment Bank operations before being gradually introduced into other sectors of Community activity. The EUA was a basket of European currencies, originally designed to have the same value in mid-1974 as the IMF special drawing rights basket, both worth US$1.20635; they immediately moved apart in value.
Euro national currencies had to be carried out using the process of triangulation via the euro. The "definitive" values of one euro in terms of the exchange rates at which the currency entered the euro are shown on the right. The rates were determined by the Council of the European Union, based on a recommendation from the European Commission based on the market rates on 31 December 1998. They were set so that one European Currency Unit (ECU) would equal one euro. The European Currency Unit was an accounting unit used by the EU, based on the currencies of the member