21(1)In section 819 of the Taxes Act 1988 (old references to standard rate tax) in subsection (2)—
(a)after “(so far as applicable in accordance with section 1A) the lower rate” there shall be inserted “or the Schedule F ordinary rate”; and
(b)for “any higher rate” there shall be substituted “the higher rate and the Schedule F upper rate”.
(2)This paragraph has effect for the year 1999-00 and subsequent years of assessment.