18(1)The amendments made by this Schedule—U.K.
(a)so far as relating to corporation tax, have effect for accounting periods beginning on or after 1 April 2008, and
(b)so far as relating to income tax, have effect for the tax year 2008-09 and subsequent tax years.
(2)The amendments made by paragraphs 4 to 6 also have effect in relation to deemed surrenders under paragraph 6(1) of Schedule 13.