15U.K.Subject to paragraph 16, this Part has effect—
(a)for corporation tax purposes, in relation to disposals made in accounting periods beginning on or after 1 April 2011, and
(b)for capital gains tax purposes, in relation to disposals made on or after 6 April 2011.
16U.K.Section 241A of TCGA 1992, so far as it applies for the purposes of section section 253 of that Act, has effect—
(a)for corporation tax purposes, in relation claims made on or after 1 April 2011, and
(b)for capital gains tax purposes, in relation to claims made on or after 6 April 2011.
17(1)In relation to disposals within paragraph 15 and claims within paragraph 16, section 241A of TCGA 1992 is to be treated as having had effect on and after 1 January 1994 in determining, for the purposes of any of the provisions referred to in section 241A(5) of that Act, whether a trade was carried on in any period beginning on or after that date.U.K.
(2)Sub-paragraph (3) has effect, for the purposes of sub-paragraph (1), in relation to any expression in section 241A of TCGA 1992 which is defined by reference to any provision of ITTOIA 2005, ITA 2007, CTA 2009 or CTA 2010.
(3)As respects any time before the coming into force of that provision, that expression is to have the meaning that it had under the enactments in force at that time.