(1) In section 60 of the Serious Organised Crime and Police Act 2005 (c. 15) (investigatory powers of DPP etc.), in subsection (1), after "applies" insert "or in connection with a terrorist investigation".

(2) After subsection (6) of that section insert-

"(7) In this Chapter 'terrorist investigation' means an investigation of-

(a) the commission, preparation or instigation of acts of terrorism,

(b) any act or omission which appears to have been for the purposes of terrorism and which consists in or involves the commission, preparation or instigation of an offence, or

(c) the commission, preparation or instigation of an offence under the Terrorism Act 2000 (c. 11) or under Part 1 of the Terrorism Act 2006 (c. 11) other than an offence under section 1 or 2 of that Act."

(3) In section 62 of that Act (disclosure notices), insert-

"(1A) If it appears to the Investigating Authority-

(a) that any person has information (whether or not contained in a document) which relates to a matter relevant to a terrorist investigation, and

(b) that there are reasonable grounds for believing that information which may be provided by that person in compliance with a disclosure notice is likely to be of substantial value (whether or not by itself) to that investigation,