A constable may, if authorised by an officer of the rank of superintendent or above, take the necessary identification evidence without consent.

A constable authorised under sub-paragraph (1) above may use reasonable force in taking the necessary identification evidence.

An officer may give an authorisation under sub-paragraph (1) above orally or in writing; but if given orally it shall be confirmed in writing as soon as is reasonably practicable.

Before relevant physical data or a sample is taken from a person upon an authorisation given under sub-paragraph (1) above, the person shall be informed that the authorisation has been given.