Provision of reasonable assistance, information and cooperationN.I.
21.—(1) Any person to whom any requirement under these Regulations applies or who is required to give reasonable assistance or information to a person executing these Regulations must, unless he has reasonable cause, do so without delay.
(2) A person shall not deface, obliterate or remove any mark applied by an inspector under these Regulations, unless he is authorised to do so by an inspector.