To Make provision, in consequence of a declaration of invalidity made by the Court of Justice of the European Union in relation to Directive 2006/24/EC, about the retention of certain communications data; to amend the grounds for issuing interception warrants, or granting or giving certain authorisations or notices, under Part 1 of the Regulation of Investigatory Powers Act 2000; to make provision about the extra-territorial application of that Part and about the meaning of “telecommunications service” for the purposes of that Act; and for connected purposes.