31.—(1) Any person (in this section referred to as an authorised person) authorised by the Minister in that behalf may, at any reasonable time and upon giving forty-eight hours’ previous notice in writing to the occupier thereof, enter on any land for the purpose of making thereon any inquiry, investigation or examination preliminary or incidental to the doing of anything which the Minister is authorised by this Part to do.

(2) If any person obstructs an authorised person in the exercise of the powers conferred on an authorised person by this section, such person shall be guilty of an offence under this section and shall be liable on summary conviction thereof to a fine not exceeding F27[200] pounds.