Without the approval of designer/design agency; Chantal Design '92, Ittervoort, Netherlands previously obtained in writing the client shall not be entitled to re-employ the design or to broader use of the design than as agreed. For any use of the design for which no approval has been given the designer/design agency may, entirely without prejudice to his/its other rights, charge a fee of at least three times the customary fee for such use, with a minimum of NLG 500.