targeted interception warrants (see subsection (2)),

targeted examination warrants (see subsection (3)), and

mutual assistance warrants (see subsection (4)).

the interception, in the course of their transmission by means of a postal service or telecommunication system, of communications described in the warrant;

the obtaining of secondary data from communications transmitted by means of a postal service or telecommunication system and described in the warrant (see section 16);

the disclosure, in any manner described in the warrant, of anything obtained under the warrant to the person to whom the warrant is addressed or to any person acting on that person's behalf.

the making of a request, in accordance with an EU mutual assistance instrument or an international mutual assistance agreement, for the provision of any assistance of a kind described in the warrant in connection with, or in the form of, an interception of communications;

the provision to the competent authorities of a country or territory outside the United Kingdom, in accordance with such an instrument or agreement, of any assistance of a kind described in the warrant in connection with, or in the form of, an interception of communications;

the disclosure, in any manner described in the warrant, of anything obtained under the warrant to the person to whom the warrant is addressed or to any person acting on that person's behalf.

any conduct by any person which is conduct in pursuance of a requirement imposed by or on behalf of the person to whom the warrant is addressed to be provided with assistance in giving effect to the warrant;

any conduct for obtaining related systems data from any postal operator or telecommunications operator.

while the communication is being transmitted, or

at any time when the communication is stored in or by the system (whether before or after its transmission).

in relation to a communication transmitted by means of a postal service, means any data falling within subsection (5);

in relation to a communication transmitted by means of a telecommunication system, means any data falling within subsection (5) or (6).

is comprised in, included as part of, attached to or logically associated with the communication (whether by the sender or otherwise),

is capable of being logically separated from the remainder of the communication, and

if it were so separated, would not reveal anything of what might reasonably be considered to be the meaning (if any) of the communication, disregarding any meaning arising from the fact of the communication or from any data relating to the transmission of the communication.

a particular person or organisation, or

a single set of premises.

a group of persons who share a common purpose or who carry on, or may carry on, a particular activity;

more than one person or organisation, or more than one set of premises, where the conduct authorised or required by the warrant is for the purposes of a single investigation or operation;

testing or training activities.

a person who is the head of an intelligence service;

the Director General of the National Crime Agency;

the Commissioner of Police of the Metropolis;

the Chief Constable of the Police Service of Northern Ireland;

the chief constable of the Police Service of Scotland;

the Commissioners for Her Majesty's Revenue and Customs;

the Chief of Defence Intelligence;

a person who is the competent authority of a country or territory outside the United Kingdom for the purposes of an EU mutual assistance instrument or an international mutual assistance agreement.

the Secretary of State considers that the warrant is necessary on grounds falling within section 20,

the Secretary of State considers that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Secretary of State considers that satisfactory arrangements made for the purposes of sections 53 and 54 (safeguards relating to disclosure etc.) are in force in relation to the warrant, and

except where the Secretary of State considers that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

the Secretary of State considers that the warrant is necessary on grounds falling within section 20,

the Secretary of State considers that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Secretary of State considers that the warrant is or may be necessary to authorise the selection of relevant content for examination in breach of the prohibition in section 152(4) (prohibition on seeking to identify communications of individuals in the British Islands), and

except where the Secretary of State considers that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

the Secretary of State considers that the warrant is necessary on grounds falling within section 20,

the Secretary of State considers that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Secretary of State considers that satisfactory arrangements made for the purposes of sections 53 and 54 (safeguards relating to disclosure etc.) are in force in relation to the warrant, and

except where the Secretary of State considers that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

the application is a relevant Scottish application (see section 22), and

in the case of an application for a targeted interception warrant or a targeted examination warrant, the Secretary of State considers that the warrant is necessary only for the purpose of preventing or detecting serious crime.

in the interests of national security,

for the purpose of preventing or detecting serious crime, or

in the interests of the economic well-being of the United Kingdom so far as those interests are also relevant to the interests of national security (but see subsection (4)).

it is necessary for the purpose of giving effect to the provisions of an EU mutual assistance instrument or an international mutual assistance agreement, and

the circumstances appear to the Secretary of State to be equivalent to those in which the Secretary of State would issue a warrant by virtue of subsection (2)(b).

the application is a relevant Scottish application (see section 22),

the Scottish Ministers consider that the warrant is necessary on grounds falling within subsection (4),

the Scottish Ministers consider that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Scottish Ministers consider that satisfactory arrangements made for the purposes of sections 53 and 54 (safeguards relating to disclosure etc.) are in force in relation to the warrant, and

except where the Scottish Ministers consider that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

the application is a relevant Scottish application,

the Scottish Ministers consider that the warrant is necessary on grounds falling within subsection (4),

the Scottish Ministers consider that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Scottish Ministers consider that the warrant is or may be necessary to authorise the selection of relevant content for examination in breach of the prohibition in section 152(4) (prohibition on seeking to identify communications of individuals in the British Islands), and

except where the Scottish Ministers consider that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

the application is a relevant Scottish application,

the Scottish Ministers consider that the warrant is necessary on grounds falling within subsection (4),

the Scottish Ministers consider that the conduct authorised by the warrant is proportionate to what is sought to be achieved by that conduct,

the Scottish Ministers consider that satisfactory arrangements made for the purposes of sections 53 and 54 (safeguards relating to disclosure etc.) are in force in relation to the warrant, and

except where the Scottish Ministers consider that there is an urgent need to issue the warrant, the decision to issue the warrant has been approved by a Judicial Commissioner.

in the case of a targeted interception warrant or targeted examination warrant, it is necessary for the purposes of preventing or detecting serious crime, and

the application is for the issue of a targeted interception warrant or a targeted examination warrant, and

whether the warrant is necessary on relevant grounds (see subsection (3)), and

whether the conduct that would be authorised by the warrant is proportionate to what is sought to be achieved by that conduct.

apply the same principles as would be applied by a court on an application for judicial review, and

consider the matters referred to in subsection (1) with a sufficient degree of care as to ensure that the Judicial Commissioner complies with the duties imposed by section 2 (general duties in relation to privacy).

in the case of a decision of the Secretary of State to issue a warrant, grounds falling within section 20;

in the case of a decision of the Scottish Ministers to issue a warrant, grounds falling within section 21(4).

a warrant under this Chapter is issued without the approval of a Judicial Commissioner, and

the person who decided to issue the warrant considered that there was an urgent need to issue it.

decide whether to approve the decision to issue the warrant, and

notify the person of the Judicial Commissioner's decision.

ceases to have effect (unless already cancelled), and

may not be renewed,

direct that any of the material obtained under the warrant is destroyed;

impose conditions as to the use or retention of any of that material;

in the case of a targeted examination warrant, impose conditions as to the use of any relevant content selected for examination under the warrant.

may require an affected party to make representations about how the Judicial Commissioner should exercise any function under subsection (3), and

must have regard to any such representations made by an affected party (whether or not as a result of a requirement imposed under paragraph (a)).

the person who decided to issue the warrant;

the person to whom the warrant was addressed.

confirm the Judicial Commissioner's decision, or

make a fresh determination.

anything done under the warrant before it ceases to have effect;

an application is made to the Secretary of State for the issue of a targeted interception warrant or a targeted examination warrant, and

a member of either House of Parliament;

a member of the Scottish Parliament;

a member of the National Assembly for Wales;

a member of the Northern Ireland Assembly;

a member of the European Parliament elected for the United Kingdom.

an application is made by or on behalf of an intercepting authority for a warrant under this Chapter, and

that there are exceptional and compelling circumstances that make it necessary to authorise or require the interception, or (in the case of a targeted examination warrant) the selection for examination, of items subject to legal privilege, and

that the arrangements made for the purposes of section 53 or (as the case may be) section 150 (safeguards relating to retention and disclosure of material) include specific arrangements for the handling, retention, use and destruction of such items.

the public interest in obtaining the information that would be obtained by the warrant outweighs the public interest in the confidentiality of items subject to legal privilege,

there are no other means by which the information may reasonably be obtained, and

in the case of a warrant considered necessary as mentioned in section 20(2)(b) or (3) or (as the case may be) 21(4), obtaining the information is necessary for the purpose of preventing death or significant injury.

an application is made by or on behalf of an intercepting authority for a warrant under this Chapter,

the intercepting authority considers that the relevant communications are likely to include items subject to legal privilege, and

subsections (2) to (5) do not apply.

a statement that the intercepting authority considers that the relevant communications are likely to include items subject to legal privilege, and

an assessment of how likely it is that the relevant communications will include such items.

in relation to a targeted interception warrant or mutual assistance warrant, any communications the interception of which is authorised or required by the warrant;

in relation to a targeted examination warrant, any communications the content of which the warrant authorises to be selected for examination.

an application is made by or on behalf of an intercepting authority for a warrant under this Chapter,

the intercepting authority considers that the communications (“the targeted communications”) are likely to be communications made with the intention of furthering a criminal purpose.

contain a statement that the purpose, or one of the purposes, of the warrant is to authorise or require the interception, or (in the case of a targeted examination warrant) the selection for examination, of communications that, if they were not made with the intention of furthering a criminal purpose, would be items subject to legal privilege, and

set out the reasons for believing that the targeted communications are likely to be communications made with the intention of furthering a criminal purpose.

an application is made by or on behalf of an intercepting authority for a warrant under this Chapter, and

in the case of a targeted interception warrant or mutual assistance warrant, to authorise or require the interception of communications which the intercepting authority believes will be communications containing confidential journalistic material, or

in the case of a targeted examination warrant, to authorise the selection for examination of journalistic material which the intercepting authority believes is confidential journalistic material.

an application is made by or on behalf of an intercepting authority for a warrant under this Chapter, and

the purpose, or one of the purposes, of the warrant is to identify or confirm a source of journalistic information.

the Secretary of State, or

in the case of a warrant to be issued by the Scottish Ministers, a member of the Scottish Government.

subsection (4), and

section 40 (special rules for certain mutual assistance warrants).

it is not reasonably practicable for the warrant to be signed by the person who took the decision to issue it, and

the Secretary of State or (as the case may be) a member of the Scottish Government has personally and expressly authorised the issue of the warrant.

in the case of a warrant to be issued by the Secretary of State, a member of the Senior Civil Service or a member of the Senior Management Structure of Her Majesty's Diplomatic Service;

in the case of a warrant to be issued by the Scottish Ministers, a member of the staff of the Scottish Administration who is a member of the Senior Civil Service.

describe that purpose or activity, and

name or describe as many of those persons as it is reasonably practicable to name or describe.

describe the investigation or operation, and

name or describe as many of those persons or organisations, or as many of those sets of premises, as it is reasonably practicable to name or describe.

describe those activities, and

name or describe as many of the persons within subsection (7) as it is reasonably practicable to name or describe.

in the case of a targeted examination warrant, the content of communications from, or intended for, the person may be selected for examination under the warrant.

a targeted interception warrant or mutual assistance warrant authorises or requires the interception of communications described in the warrant, or the obtaining of secondary data from such communications, or

a targeted examination warrant authorises the selection of the content of communications for examination,

communications from, or intended for, any person or organisation named or described in the warrant, or

communications originating on, or intended for transmission to, any premises named or described in the warrant.

it is renewed before the end of that period (see section 33), or

it is cancelled or otherwise ceases to have effect before the end of that period (see sections 24 and 39).

in the case of an urgent warrant which has not been renewed, means the period ending with the fifth working day after the day on which the warrant was issued;

the warrant was issued without the approval of a Judicial Commissioner, and

the person who decided to issue the warrant considered that there was an urgent need to issue it.

that the appropriate person considers that the warrant continues to be necessary on any relevant grounds (see subsection (4)),

that the appropriate person considers that the conduct that would be authorised by the renewed warrant continues to be proportionate to what is sought to be achieved by that conduct,

that, in the case of a targeted examination warrant, the appropriate person considers that the warrant continues to be necessary to authorise the selection of relevant content for examination in breach of the prohibition in section 152(4), and

that the decision to renew the warrant has been approved by a Judicial Commissioner.

in the case of a warrant issued by the Secretary of State, the Secretary of State;

in the case of a warrant issued by the Scottish Ministers, a member of the Scottish Government.

in the case of a warrant issued by the Secretary of State, grounds falling within section 20;

in the case of a warrant issued by the Scottish Ministers, grounds falling within section 21(4).

in the case of an urgent warrant which has not been renewed, the relevant period;

in any other case, the period of 30 days ending with the day at the end of which the warrant would otherwise cease to have effect.

adding, varying or removing the name or description of a person, organisation or set of premises to which the warrant relates, and

adding, varying or removing any factor specified in the warrant in accordance with section 31(8).

a modification adding or varying a name or description as mentioned in paragraph (a) of subsection (2) is referred to as a “major modification”, and

any other modification within that subsection is referred to as a “minor modification”.

the Secretary of State, in the case of a warrant issued by the Secretary of State,

a member of the Scottish Government, in the case of a warrant issued by the Scottish Ministers, or

a senior official acting on behalf of the Secretary of State or (as the case may be) the Scottish Ministers.

the Secretary of State, in the case of a warrant issued by the Secretary of State,

a member of the Scottish Government, in the case of a warrant issued by the Scottish Ministers,

a senior official acting on behalf of the Secretary of State or (as the case may be) the Scottish Ministers,

the person to whom the warrant is addressed, or

a person who holds a senior position in the same public authority as the person mentioned in paragraph (d).

in the case of the National Crime Agency, the person is a National Crime Agency officer of grade 2 or above;

in the case of the metropolitan police force, the Police Service of Northern Ireland or the Police Service of Scotland, a person is of or above the rank of superintendent;

in the case of Her Majesty's Revenue and Customs, the person is a member of the Senior Civil Service;

in the case of a warrant issued by the Secretary of State, a member of the Senior Civil Service or a member of the Senior Management Structure of Her Majesty's Diplomatic Service;

in the case of a warrant issued by the Scottish Ministers, a member of the staff of the Scottish Administration who is a member of the Senior Civil Service.

that the modification is necessary on any relevant grounds (see subsection (3)), and

that the conduct authorised by the modification is proportionate to what is sought to be achieved by that conduct.

a major modification adding the name or description of a person, organisation or set of premises to which the warrant relates, and

a minor modification adding any factor specified in the warrant in accordance with section 31(8).

in the case of a warrant issued by the Secretary of State, grounds falling within section 20;

in the case of a warrant issued by the Scottish Ministers, grounds falling within section 21(4);

the modification must be made by the Secretary of State, and

the modification has effect only if the decision to make the modification has been approved by a Judicial Commissioner.

except where the person making the modification considers that there is an urgent need to make it, the modification has effect only if the decision to make the modification has been approved by a Judicial Commissioner.

the references in subsection (1)(a) and (b) of that section to the warrant were references to the modification,

any reference to the person who decided to issue the warrant were a reference to the person who decided to make the modification, and

subsection (3) of this section applied for the purposes of subsection (1) of that section as it applies for the purposes of subsection (1) of this section.

it is not reasonably practicable for the instrument to be signed by the person who took the decision to make the modification, and

the Secretary of State or (as the case may be) a member of the Scottish Government has personally and expressly authorised the making of the modification.

the modification is made by virtue of section 35(3), or

any of sections 26 to 29 applies in relation to the making of the modification.

section 27, 28 or 29 applies in relation to the making of a major modification of a warrant under this Chapter,

the person making the modification does so without the approval of a Judicial Commissioner, and

the person considered that there was an urgent need to make the modification.

decide whether to approve the decision to make the modification, and

notify the person of the appropriate person's decision.

the Secretary of State or (in the case of a warrant issued by the Scottish Ministers) a member of the Scottish Government must be notified personally of the matters mentioned in paragraph (a)(i) and (ii).

the warrant (unless it no longer has effect) has effect as if the modification had not been made, and

the person to whom the warrant is addressed must, so far as is reasonably practicable, secure that anything in the process of being done under the warrant by virtue of that modification stops as soon as possible,

anything done under the warrant by virtue of the modification before the modification ceases to have effect;

a warrant issued under this Chapter is no longer necessary on any relevant grounds, or

the conduct authorised by the warrant is no longer proportionate to what is sought to be achieved by that conduct,

in the case of a warrant issued by the Secretary of State, grounds falling within section 20;

in the case of a warrant issued by the Scottish Ministers, grounds falling within section 21(4).

in the case of a warrant issued by the Secretary of State, the Secretary of State or a senior official acting on behalf of the Secretary of State;

in the case of a warrant issued by the Scottish Ministers, a member of the Scottish Government or a senior official acting on behalf of the Scottish Ministers.

in the case of a warrant issued by the Secretary of State, a member of the Senior Civil Service or a member of the Senior Management Structure of Her Majesty's Diplomatic Service;

in the case of a warrant issued by the Scottish Ministers, a member of the staff of the Scottish Administration who is a member of the Senior Civil Service.

the warrant is for the purposes of a request for assistance made under an EU mutual assistance instrument or an international mutual assistance agreement by the competent authorities of a country or territory outside the United Kingdom, and

a statement that the warrant is issued for the purposes of a request for assistance made under an EU mutual assistance instrument or an international mutual assistance agreement (as the case may be) by the competent authorities of a country or territory outside the United Kingdom, and

a statement that the renewal is for the purposes of a request for assistance made under an EU mutual assistance instrument or an international mutual assistance agreement (as the case may be) by the competent authorities of a country or territory outside the United Kingdom, and

the last renewal (if any) of the warrant was a renewal by a senior official in accordance with subsection (4).

serve a copy of the warrant on any person who the intercepting authority considers may be able to provide such assistance, or

make arrangements for the service of a copy of the warrant on any such person.

the service of a copy of one or more schedules contained in the warrant with the omission of the remainder of the warrant, and

the service of a copy of the warrant with the omission of any schedule contained in the warrant.

by serving it at the person's principal office within the United Kingdom or, if the person has no such office in the United Kingdom, at any place in the United Kingdom where the person carries on business or conducts activities;

if the person has specified an address in the United Kingdom as one at which the person, or someone on the person's behalf, will accept service of documents of the same description as a copy of a warrant, by serving it at that address;

by making it available for inspection (whether to the person or to someone acting on the person's behalf) at a place in the United Kingdom (but this is subject to subsection (4)).

it is not reasonably practicable for a copy to be served by any other means (whether as mentioned in subsection (3)(a) or (b) or otherwise), and

the intercepting authority takes such steps as the authority considers appropriate for the purpose of bringing the contents of the warrant, and the availability of a copy for inspection, to the attention of the person.

any requirements or restrictions under the law of that country or territory that are relevant to the taking of those steps, and

the extent to which it is reasonably practicable to give effect to the warrant in a way that does not breach any of those requirements or restrictions.

on conviction on indictment, to imprisonment for a term not exceeding 2 years or to a fine, or to both.