reg 53 Obstruction
A person commits an offence if he— (a) intentionally obstructs any person acting in the execution of these Regulations; (b) gives any information which he knows to be false or misleading to any person acting in the execution of these Regulations; or (c) fails, without reasonable excuse— (i) to give any assistance or information that any person acting in the execution of these Regulations may require him to give; or (ii) to produce any record that any person acting in the execution of these Regulations may require him to produce, for the performance of that person’s functions under these Regulations.