(1) An enforcement officer may arrest a person without warrant if the officer has good cause to suspect that the person—
(a) has committed an offence against any of sections 58 to 62; or
(b) has assaulted that or any other enforcement officer while the officer was acting in the course of the officer's official duties.
(1A) An enforcement officer may arrest a person without warrant if the person does not complete a compulsory impairment test in a manner satisfactory to an enforcement officer, who is trained to give the test, when required to do so by an enforcement officer under section 71A.
(2) A person assisting an enforcement officer may arrest without warrant a person referred to in subsection (1)(b).
(3) A person other than a constable who exercises any power of arrest conferred by this section must, as soon as practicable, deliver the arrested person into the custody of a constable.
(4) The obligation in subsection (3) does not apply until the completion of the exercise of any powers that may be exercised under this Act in respect of the arrested person or any vehicle driven by that person.
(5) The powers conferred by this section are in addition to any other powers of arrest under this Act.
Compare: 1962 No 135 ss 62, 62A, 62B
Section 120(1A): inserted, on 1 November 2009, by section 22 of the Land Transport Amendment Act 2009 (2009 No 17).
Section 120(3): amended, on 1 October 2008, pursuant to section 116(a)(vii) of the Policing Act 2008 (2008 No 72).