(1) An appropriate Minister may by regulations amend this Part so as to authorise regulations under section 1 to impose prohibitions or requirements of kinds -
(a) which are not for the time being authorised by Chapter 1 (ignoring section 8), but
(b) which are kinds of prohibition or requirement that the United Kingdom -
(i) has any UN obligation or other international obligation to impose, or
(ii) has at any time had any UN obligation or other international obligation to impose.
(2) Without prejudice to the generality of subsection (1) or section 54(2), regulations under this section -
(a) may amend the definition of "sanctions regulations" in section 1(5), and
(b) where they make any such amendment, may amend this Part in connection with that amendment.
(3) For the avoidance of doubt, regulations under this section may not add to or amend the purposes mentioned in section 1(1) or amend section 1(2).