| The Chief Constable of a police force maintained under section 2 of the Police Act 1996. | The person who is the appropriate deputy chief constable for the purposes of section 12A(1) of the Police Act 1996. | A member of the police force, a member of a collaborative force or a National Crime Agency officer who is included in a collaboration agreement with the police force. |
| The person holding the rank of assistant chief constable designated to act under section 12A(2) of that Act. |
| If it is not reasonably practicable for either of those persons to act, any other person holding the rank of assistant chief constable in the force. |
| The Commissioner, or an Assistant Commissioner, of the metropolitan police force. | A person holding the rank of commander in the metropolitan police force. | A member of the metropolitan police force, a member of a collaborative force or a National Crime Agency officer who is included in a collaboration agreement with the metropolitan police force. |
| The Commissioner of Police for the City of London. | The person authorised to act under section 25 of the City of London Police Act 1839 or, if it is not reasonably practicable for that person to act, a person holding the rank of commander in the City of London police force. | A member of the City of London police force, a member of a collaborative force or a National Crime Agency officer who is included in a collaboration agreement with the City of London police force. |
| The chief constable of the Police Service of Scotland. | Any deputy chief constable or assistant chief constable of the Police Service of Scotland who is designated for the purpose by the chief constable. | A constable of the Police Service of Scotland. |
| The Chief Constable or a Deputy Chief Constable of the Police Service of Northern Ireland. | A person holding the rank of assistant chief constable in the Police Service of Northern Ireland. | A member of the Police Service of Northern Ireland. |
| The Director General of the National Crime Agency. | A senior National Crime Agency Officer designated for the purpose by the Director General of the National Crime Agency. | A National Crime Agency officer or a member of a collaborative police force. |
| The Chief Constable of the British Transport Police Force. | A person holding the rank of deputy or assistant chief constable in the British Transport Police Force. | A member of the British Transport Police Force. |
| The Chief Constable of the Ministry of Defence Police. | A person holding the rank of deputy chief constable or assistant chief constable in the Ministry of Defence Police. | A member of the Ministry of Defence Police. |
| The Provost Marshal of the Royal Navy Police. | A person holding the position of deputy Provost Marshal in the Royal Navy Police. | A member of the Royal Navy Police. |
| The Provost Marshal of the Royal Military Police. | A person holding the position of deputy Provost Marshal in the Royal Military Police. | A member of the Royal Military Police. |
| The Provost Marshal of the Royal Air Force Police. | A person holding the position of deputy Provost Marshal in the Royal Air Force Police. | A member of the Royal Air Force Police. |