(1)A person duly authorised in writing by the Minister may at any reasonable time enter upon any land, other than premises used wholly or mainly as a dwelling, for the purpose of ascertaining whether an offence under this Part of this Act has been committed on the land.
(2)A person duly authorised in writing by a local authority may at any reasonable time enter upon any land, other than such premises as aforesaid, for the purpose of ascertaining whether an offence under this Part of this Act has been committed on the land, being an offence consisting of a contravention of or failure to comply with provisions of regulations made in pursuance of section 2(1)(b) of this Act.
(3)A person authorised as mentioned in the foregoing provisions of this section to enter upon any land—
(a)shall if so required produce evidence of his authority before entering and while present on the land ; and
(b)may take with him on to the land such other persons as he considers necessary.
(4)Any person authorised as aforesaid may take for analysis a sample of any substance which he finds on the land and which appears to him to be intended for use as food for livestock; and the provisions of subsections (2) to (7) of section 6 of the [1952 c. 60.] Agriculture (Poisonous Substances) Act 1952 (which relate to the dividing up, analysis and evidence of analysis of certain samples) and subsections (1), (4) and (5) of section 11 of that Act (Scottish application of the said section 6) shall have effect in relation to a sample taken under this section as they have effect in relation to a sample taken under the said section 6 but as if for references to that Act, an inspector and such an employer as is mentioned in the said section 6 there were substituted respectively references to this Part of this Act, the person taking the sample and a person appearing to the person taking the sample to have custody of the substance in question.
(5)Any veterinary surgeon or veterinary practitioner authorised as mentioned in subsection (1) of this section to enter upon any land may examine any livestock which he finds on the land and apply to and take from the livestock such tests and samples as he considers appropriate ; and a person by whom a sample is taken from livestock in pursuance of this subsection shall, if before the sample is taken he is requested to do so by any person appearing to him to have the custody of the livestock, deliver a part of the sample or a similar sample to the person who made the request.
(6)If a person entitled to enter upon any land in pursuance of this section requests any person present on the land, being the occupier or a servant of the occupier of the land or a person having the custody of any livestock present on the land,—
(a)to indicate to the person so entitled the places on the land used for the accommodation of livestock or for the storage or treatment of any substance intended for use as food for livestock; or
(b)to facilitate the access of the person so entitled to any such place,
it shall be the duty of the person to whom the request is addressed to comply with the request so far as he is able to do so.
(7)A person who fails to perform his duty under subsection (6) of this section or otherwise wilfully obstructs a person entitled as aforesaid in the execution of that person's powers under this section shall be guilty of an offence under this section.