Any clause or agreement contrary to the provisions of articles L. 134-2 and L. 134-4, the third and fourth paragraphs of Article L. 134-11, and of article L. 134-15 or derogating, to the detriment of the commercial agent, from the provisions of the second paragraph of article L. 134-9, the first paragraph of article L. 134-10, the articles L. 134-12 and L. 134-13 and the third paragraph of Article L. 134-14.