Currency value is defined as the unit of account, reserve of value and intermediate trade. These definitions old persist but must be amended between other, by the deletion of any reference to valuable materials (from the fourth century in China) with the progressive dematerialization of monetary media, the legal aspects of the use of the currency - and in particular the legal rights that are attached to the legal course and the legal tender -, are more apparent. These rights are set by the State and are of the currency a constitutional institution and the reference to a territory Marchand in the form of a national market (bound by a monetary unit, common account). The currency is the payment instrument in force in a place and at a given time: the fact of the Act: we are talking about legal course; the fact of uses: economic agents accept it in settlement of a purchase, in a benefit or a debt. село Гошів, Ukraine
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