(1) This section applies where any relief is claimed under Chapter 4 and the relief -
(a) is subsequently found not to have been due other than in circumstances to which section 508U applies, or
(b) is no longer due because within the relevant period -
(i) the relief is to be withdrawn by virtue of section 495,
(ii) the investment ceases to be a qualifying investment by virtue of section 499,
(iii) the amount of relief is subject to a reduction under Chapter 10 (other than section 508R),
(iv) the relief is withdrawn because of section 508L, or
(v) the investor ceases to be a qualifying investor.
(2) Where any relief is to be withdrawn under this section that relief shall be withdrawn by the making of an assessment on the investor to income tax under Case IV of Schedule D for the year of assessment for which the relief was given.
(3) In its application to an assessment made by virtue of this section, section 1080 applies as if the date on which the income tax charged by the assessment b
…