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.
(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.