# Finance Act 1974, Paragraph 13


(1) Where paragraph 11 of this Schedule would, apart from this paragraph, apply in relation to a disposal of an interest in land because of any material development of the land carried out after 17 th December 1973 [ and] since the person making the disposal acquired the interest [ but before the appointed day, within the meaning of the Development Land Tax Act 1976 ], the said paragraph 11 shall not so apply if the amount by which the current use value of the interest immediately after the date on which that material development was begun, calculated on the assumption that it was lawful for that development to be carried out, exceeds the current use value of the interest immediately before that date—
(a) is not greater than one-tenth of the current use value of the interest immediately before that date;
(b) does not exceed £2,500.
(2) Where material development of the land in question has been carried out on two or more different occasions after 17 th December 1973 [ and] since the person making the disposal acquired the interest [ but before the appointed day, within the meaning of the Development Land Tax Act 1976 ] then for the purposes of this paragraph there shall be calculated for each of those occasions the amount by which the current use value of the interest immediately after the date on which the material development carried out on that occasion was begun, calculated on the assumption that it was lawful for that development to be carried out, exceeds the current use value of the interest immediately before that date, and the preceding sub-paragraph shall not apply in relation to the disposal if the aggregate of the amounts so calculated exceeds £2,500.
(3) Where by virtue of the preceding provisions of this paragraph paragraph 11 of this Schedule does not apply in relation to a disposal of an interest in land even though material development of the land has been carried out as aforesaid, the material development in question shall be disregarded for the purposes of paragraph 12 of this Schedule.

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Source: https://www.legislation.gov.uk/ukpga/1974/30/schedule/3/paragraph/13 (the official version)
Page: https://openlegislation.uk/finance-act-1974/schedule-3/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.