http://www.legislation.gov.uk/uksi/1990/681/article/2/made

The Capital Gains Tax (Annual Exempt Amount) Order 1990

Capital gains tax

Tax

King's Printer of Acts of Parliament

2017-03-15

TAXES

This Order specifies £5,400 as the amount which, under section 5 of the Capital Gains Tax Act 1979 (“section 5”) (as amended by section 77 of the Finance Act 1980 (c. 48), section 80 of the Finance Act 1982 and section 122 of the Finance Act 1989 (c. 26)), is the exempt amount for the year 1990-91 unless Parliament otherwise determines. The exempt amount for the year 1989-90 was fixed by section 122 of the Finance Act 1989 at £5,000. The amount of £5,400 is the amount for 1989-90 increased by the amount of the percentage increase (7.7%) in the retail prices index for December 1989 over that for December 1988. The amount has been rounded up to the nearest £100 in accordance with section 5(1B).