(1) In this section and in section 644 -
"capital amount" means any amount in money or money's worth which apart from this section is not to be included in any computation of income for the purposes of the Tax Acts, and other expressions which include the word "capital" shall be construed accordingly;
"chargeable period" means an accounting period of a company or a year of assessment;
"land" includes any interest in land, and references to the land include references to all or any part of the land;
"share" includes stock;
references to property deriving its value from land include references to -
(a) any shareholding in a company, or any partnership interest, or any interest in settled property, deriving its value or the greater part of its value directly or indirectly from land, and
(b) any option, consent or embargo affecting the disposition of land.
(2) This section shall not apply to a gain accruing to an individual which by virtue of section 604 is exempt from capital gains tax or
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