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 merely limiting its highest value and not its lowest. The Bulgarian lev is pegged to the euro through a currency board. As part of ERM II, the currencies have a fluctuation band of ±15%. Denmark, however, has committed to a tighter fluctuation band of 2.25%. Convertible mark is the currency of Bosnia and Herzegovina and it was fixed to 1 German mark when it was introduced on the basis of the Dayton agreement; consequently after introduction of the euro, the Convertible mark uses the German-mark-to-euro rate at 1.95583 BAM per euro. Since 2005, stamps issued by the Sovereign Military Order