The extradition of nationals will be granted only under the following conditions:- the possibility of extradition will be confined to extradition for the purposes of prosecution;—the requesting Member State must, prior to extradition, give its agreement to transfer to Belgium the person to be extradited so that that person serves his sentence there if a penalty involving deprivation of liberty or a detention order is imposed; the provisions in force concerning the inter-State transfer of sentenced persons shall apply, including the consent of the sentenced person;—and it is subject to reciprocity.