the invention relates to a method and an arrangement for recording an information signal with first copy protection information to a storage medium using recording means , the recording being performed according to first copy rules identified by the first copy protection information . the method comprises the steps of detecting said first copy protection information identifying said first copy rules , recording at least second copy protection information according to said detected first copy rules , said first and at least second copy protection information identifying a legality message to be interpreted by reading means , the at least second copy protection information changing within a predefined time interval after the change in said detected first copy rules according to an interpreting rule .