The Attorney General may authorise the setting up of a joint investigation team to carry out investigations into criminal offences in one or more of the Member States setting up the team in terms of the Convention. The joint investigation team, the composition of which shall be set out in the agreement setting it up, shall be set up for a specific purpose and a limited period, which may be extended by mutual consent, to carry out criminal investigations in one or moreof the Member States setting up the team.