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
Romania and the euro law requires that the coat of arms of the country be used on coin designs. In Romanian, the currency is called "euro" , and its subunit "eurocent" . Romania and the euro Romania is required by its EU accession agreement to replace the current national currency, the Romanian leu, with the euro, as soon as Romania fulfills all of the six nominal euro convergence criteria. The leu is not yet part of the European Exchange Rate Mechanism (ERM II), of which minimum two years of stable membership is one of the six nominal convergence criteria to comply with to qualify