Where any nuclear matter, not being excepted matter, is in the course of carriage within the territorial limits of the United Kingdom on behalf of any person (hereafter in this section referred to as “the responsible party”) and—
(a)the carriage is not relevant carriage; and
(b)the nuclear matter is not for the time being on any relevant site,
it shall be the duty of the responsible party to secure that no occurrence involving that nuclear matter causes injury to any person or damage to any property of any person other than the responsible party, being injury or damage incurred within the said territorial limits and 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.