Unit of account L.S.D units in ratio 240:12:1. The Florentine gold florin, the French franc and the electoral rheingulden all became pounds (240 denari) of account. Units of account would often survive over 100 years despite the original coins changing composition and availability (e.g. the Castilian maravedi). A modern unit of account is the European Currency Unit, used in the European Union from 1979 to 1998; its replacement in 1999, the Euro, was also just a unit of account until the introduction of notes and coins in 2002. Unit of account is the main way of calculating a carrier or ship owner's liability
History of the euro official currency. The euro is only used in the government-controlled areas of the Republic, the Sovereign Base Areas of Akrotiri and Dhekelia (under UK jurisdiction, outside the EU) and in the United Nations Buffer Zone in Cyprus. The de facto Turkish Republic of Northern Cyprus continues to use the new Turkish lira as its primary currency and the euro as its secondary currency. Malta replaced the Maltese lira with the euro on 1 January 2008. The aims were officially confirmed on 26 February 2007. On 16 May 2007, the Commissioner for Economic & Financial Affairs of the EU, Joaquín Almunia,