translate English to French: In order to substantiate 1 (b) the detailed calculation of Customs duties and taxes seems to be adequate, including determination of the Customs value of the goods and applicable tariff rates.
Afin d'établir le point 1 b), un calcul détaillé des taxes et droits de douane semble indiqué, y compris la détermination de la valeur douanière des marchandises et les tarifs applicables.