421. Incidents of power of entry.

Any power conferred on a person by virtue of the provisions as to entry on land1 is exercisable by him either alone or with other persons, and is exercisable together with any vehicles, apparatus, materials or animals required for the purpose for which the power is exercised2. A person authorised under those provisions to enter upon any land must, if so required, produce evidence of his authority before entering it, or while remaining there, and must not3 demand admission as of right to any land which is occupied unless 42 days' notice of the intended entry has been given