(1)A person may be arrested under section 1 more than once in respect of the same offence.
(2)A person may not be arrested under section 1 in respect of an offence if the person has been officially accused of committing the offence or an offence arising from the same circumstances as the offence.
(3)Where—
(a)a constable who is not in uniform arrests a person under section 1, and
(b)the person asks to see the constable’s identification,
the constable must show identification to the person as soon as reasonably practicable.