Article 28 Unit of account

The unit of account referred to in article 20 of this Convention is the Special Drawing Right as defined by the International Monetary Fund. The amounts mentioned in article 20 are to be converted into the national currency of a State according to the value of such currency at the date of judgement or the date agreed upon by the parties. The value of a national currency, in terms of the Special Drawing Rights, of a Contracting State which is a member of the International Monetary Fund is to be calculated in accordance with the method of evaluation applied by the International Monetary Fund in effect at the date in question for its operations and transactions.