25. A person who—
(a)intentionally obstructs an inspector (or a person accompanying an inspector and acting under the inspector’s instructions) acting in the execution or enforcement of the Commission Regulation and these Regulations,
(b)fails, without reasonable excuse, to give to any person acting in the execution or enforcement of these Regulations any assistance or information that is reasonably required,
(c)provides to any person acting in the execution or enforcement of these Regulations any information knowing it to be false or misleading or not believing it to be true,
(d)fails, without reasonable excuse, to produce any document or record when required to do so by any person acting in the execution or enforcement of these Regulations, or
(e)defaces, obliterates or removes any mark applied under regulation 16(5)(f) except under the written authority of an inspector,
commits an offence.