(1) The following provisions have effect in relation to things done or omitted in the period beginning with 4 February 2010 and ending with the coming into force of this Act.
(2) Anything done or omitted by a person other than the Treasury that would be valid, lawful or effectual if -
(a) the Terrorism (United Nations Measures) Order 2001 (S.I. 2001/3365),
(b) the Terrorism (United Nations Measures) Order 2006 (S.I. 2006/2657), and
(c) the Terrorism (United Nations Measures) Order 2009 (S.I. 2009/1747),
had been validly made under, and every provision of those Orders had been within the power conferred by, section 1 of the United Nations Act 1946, is deemed to be valid, lawful or effectual as if those Orders had been so made and every provision of them had been within that power.
(3) Subsection (2) applies to an act or omission notwithstanding that it is done or omitted in reliance on or in consequence of something done or omitted by the Treasury (whether during or before the peri