Article R212-1 of the French Consumer Code
In contracts concluded between professionals and consumers, terms which have as their object or effect: the following are irrebuttably presumed to be unfair, within the meaning of the provisions of the first and fourth paragraphs of Article L. 212-1 and therefore prohibited, clauses which have the object or effect of : 1° To record the consumer’s agreement to terms which do not appear in the written document which he accepts…