(1)In the case of any nuclear matter which is not excepted matter and which—
(a)is—
(i)in the course of carriage on behalf of a relevant foreign operator; or
(ii)in the course of carriage to such an operator's relevant site with the agreement of that operator from a place outside the relevant territories,
and is not for the time being on any relevant site in the United Kingdom ; or
(b)having been on such an operator's relevant site or in the course of carriage on behalf of such an operator, has not subsequently been on any relevant site or in the course of any relevant carriage or (except in the course of relevant carriage) within the territorial limits of a country which is not a relevant territory,
it shall be the duty of that operator to secure that no occurrence such as is mentioned in subsection (2) of this section causes injury to any person or damage to any property of any person other than that operator, being injury or damage arising out of or resulting from the radioactive properties, or a combination of those and any toxic, explosive or other hazardous properties, of that nuclear matter.
(2)The occurrences referred to in the foregoing subsection are—
(a)an occurrence taking place wholly or partly within the territorial limits of the United Kingdom; or
(b)an occurrence outside the said territorial limits which also involves nuclear matter in respect of which a duty is imposed on any person by section 7, 8 or 9 of this Act.