1.The principal shall supply his commercial agent with a statement of the commission due, not later than the last day of the month following the quarter in which the commission has become due. This statement shall set out the main components used in calculating the amount of commission.
2.A commercial agent shall be entitled to demand that he be provided with all the information, and in particular an extract from the books, which is available to his principal and which he needs in order to check the amount of the commission due to him.
3.Agreements to derogate from paragraphs 1 and 2 to the detriment of the commercial agent shall not be permitted.
4.This Directive shall not conflict with the internal provisions of Member States which recognize the right of a commercial agent to inspect a principal's books.