IX.3.2.2. Exchange rate regulations
For those Member States that have not adopted the euro as their currency, the following rules apply:
Article 53, section 2, of the CAU
Article 48, sections 2 and 3, of the AE
a) For the purposes of the Agreement/Commitment, the maximum amount payable per TIR Carnet shall be equivalent to the equivalent of 100,000 euros in national currency. The European Central Bank sets the rates used for this conversion once a year on the first business day of October, and they are published in the Official Journal of the European Union. This rate will apply from January 1 of the following year.
Article 53, section 1, letter b), of the CAU
Article 48, paragraph 1, of the AE
b) If the guarantee must be executed, the exchange rate used must be the one applicable on the day of acceptance of the TIR Carnet at the customs office of departure or entry. These rates will be set once a month and published in the Official Journal of the European Union.