Paragraph 30 Power of arrest etc.
For the purposes of any proceedings for an offence under this Act a certificate signed by or on behalf of the Secretary of State or the Governor and stating that at the time specified in the certificate—
a State was or was not a party to the Protocol,
a person was or was not an Antarctic Treaty official as defined in section 22, or
a person was or was not a Convention official as defined in section 23,
shall be conclusive evidence of the facts stated in it.
A document purporting to be a certificate such as is mentioned in subsection (1) shall be deemed to be such a certificate unless the contrary is proved.
A document purporting to be a written authorisation such as is mentioned in section 3(4), 5(1), 7(1), 8(1) or 9 (1) shall be deemed to be such an authorisation unless the contrary is proved.