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
International status and usage of the euro concerns with banking secrecy, the EU and Andorra signed a monetary agreement on 30 June 2011 which made the euro the official currency in Andorra and allowed them to mint their own euro coins as early as 1 July 2013, provided they comply with the agreement's terms. However, the first Andorran euro coins did not enter into circulation until January 2015. Outside the EU, there are currently three French territories and a British territory that have agreements to use the euro as their currency. All other dependent territories of eurozone member states that have opted not to be a part