It also provides that each State may at any time, by a declaration addressed to the Secretary General of the Council of Europe, define the concept of “national” for the purposes of this Convention.  It is important that the transfer be authorized by the sentenced person and that the arresting State ensure that this consent is given voluntarily and with full knowledge of the facts, in accordance with Article 7.  Table 2: Transfer under the Additional Protocol to the Council of Europe Convention on the Transfer of Sentenced Persons This table does not include the EU Member States that have ratified the Additional Protocol, as transfers are carried out in accordance with the EU Framework Decision on the transfer of prisoners. Please note that the date of entry into force has been used as the date of ratification of the Additional Protocol by the United Kingdom or the date of ratification by that country, depending on the later date. . . .