12 b) Kursen skal så fyldestgørende som muligt af spejle den ved handelsforhold gængse kurs for den pågældende valuta, udtrykt i den pågældende medlemsstats valuta, og anvendes i en pe riode, som ovennævnte kompetente myndigheder kan fastsætte.
1. (a) Where factors used to determine the value for customs purposes of goods are expressed in a currency other than that of the Member State where the valuation is made, the rate of exchange to be used shall be that duly published by the competent authorities of the Member State concerned, (b) Such rate shall reflect as effectively as possible the current value of such currency in commercial transactions in terms of the currency of such Member State and shall apply during such period as may be specified by the aforementioned competent authorities.