Commentary on Sections Part 3 – Dispersal of Groups Section 22 – Powers under section 21: supplementary
62.Subsection (1) sets out that a direction may be given orally; to an individual or to a group; and that it may be withdrawn or varied by the constable who gave it.
63.Subsection (2) sets out that knowingly contravening any direction, without reasonable excuse, will be an offence and could result in a fine, or imprisonment or both. Subsection (3) sets out that where such an offence is being committed the constable may arrest the person without warrant. Subsection (4) provides that subsection (3) is without prejudice to any power of arrest conferred by law apart from that subsection.