he wilfully obstructs or impedes an authorised officer or a constable acting under this Act; or

without reasonable cause he fails to give to any authorised officer or any constable acting as aforesaid any assistance or information which the authorised officer or constable (as the case may be) may reasonably require of him for the purposes of the performance by the authorised officer or constable of his functions under this Act.

without lawful authority he affixes to a container or package or freight container containing any horticultural produce, or to the produce itself, or to the certificate accompanying the produce a label in the form prescribed for the purposes of section 26 or for the purposes of any corresponding provision of an enactment of the Parliament of the United Kingdom for the time being in force; or

having been lawfully required, in pursuance of section 26, to affix to any container or package, or freight container or produce or to the produce itself, or to the certificate accompanying the produce such as is described in paragraph ( a) any label in the form prescribed for the purposes of section 26, he fails to do so within any reasonable period of time specified to him by the person issuing the requirement, or, having been so required or in like manner authorised to so affix such label, he does so otherwise than in accordance with the terms of the requirement or authorisation; or

where under section 26 or any such corresponding provision as is mentioned in paragraph ( a) a label has been affixed to a container or package or freight container containing any fresh horticultural produce, or to the produce itself or to the certificate accompanying such produce, he with intent to deceive, removes, alters, defaces or conceals the label.]