translate English to French: A. Prohibition of charges having an effect equivalent to that of customs duties: Articles 23(1) and 25 ECT Since there is no definition of this concept in the Treaty, case law has had to provide one.
A. Interdiction des taxes d'effet équivalant à des droits de douane: article 23, §1, et article 25 CE En l'absence de définition dans le traité, la jurisprudence a dû définir la notion.