(1) If it appears to the Secretary of State—
(a) that measures have been or are proposed to be taken by or under the law of any overseas country for regulating or controlling international trade; and
(b) that those measures, in so far as they apply or would apply to things done or to be done outside the territorial jurisdiction of that country by persons carrying on business in the United Kingdom, are damaging or threaten to damage the trading interests of the United Kingdom,
the Secretary of State may by order direct that this section shall apply to those measures either generally or in their application to such cases as may be specified in the order.
(2) The Secretary of State may by order make provision for requiring, or enabling the Secretary of State to require, a person in the United Kingdom who carries on business there to give notice to the Secretary of State of any requirement or prohibition imposed or threatened to be imposed on that person pursuant to any measures in so far as this section applies to them by virtue of an order under subsection (1) above.
(3) The Secretary of State may give to any person in the United Kingdom who carries on business there such directions for prohibiting compliance with any such requirement or prohibition as aforesaid as he considers appropriate for avoiding damage to the trading interests of the United Kingdom.
(4) The power of the Secretary of State to make orders under subsection (1) or (2) above shall be exercisable by statutory instrument subject to annulment in pursuance of a resolution of either House of Parliament.
(5) Directions under subsection (3) above may be either general or special and may prohibit compliance with any requirement or prohibition either absolutely or in such cases or subject to such conditions as to consent or otherwise as may be specified in the directions; and general directions under that subsection shall be published in such manner as appears to the Secretary of State to be appropriate.
(6) In this section “ trade ” includes any activity carried on in the course of a business of any description and “ trading interests ” shall be construed accordingly.