(1) In relation to instruments to which this section applies, section 55 of the Finance Act 1963 (rate of stamp duty on conveyance or transfer on sale) and section 4 of the Finance Act (Northern Ireland) 1963 (equivalent provision for Northern Ireland) shall have effect as if—
(a) each reference to £30,000 in subsection (1) of each of those sections were to £250,000, and
(b) the reference to £300 in subsection (2) of each of those sections were to £2,500.
(2) This section applies to—
(a) instruments executed on or after 20th December 1991 and before 16th January 1992 and not stamped before 16th January 1992;
(b) instruments executed on or after 16th January 1992 and before 20th August 1992.
(3) For the purposes of section 14(4) of the Stamp Act 1891 (instruments not to be given in evidence etc. unless stamped in accordance with the law in force at the time of first execution) the law in force at the time of execution of an instrument falling within subsection (2)(a) above shall be deemed to be that as varied in accordance with subsection (1) above.
(4) This section shall be deemed to have come into force on 16th January 1992.