F14.Member States not using the metal content assumption shall calculate reuse (A) on the basis of the following subtraction method: the individual vehicle weight (Wi) minus weight of the de-polluted and dismantled end-of-life vehicle (body shell) (Wb) minus the weight of the de-polluted and dismantled materials sent for recovery, recycling or final disposal. Member States using the metal content assumption shall determine A (excluding the metal components) on the basis of declarations from the authorised treatment facilities.