Interpretation
4In this Part of this Schedule—
" allowable expenditure " means expenditure which, subject to the provisions of this Part, is allowable as mentioned in subsection (4) of the principal section ;
" the new asset" means the asset referred to in subsection (1) of the principal section which was acquired or brought into existence, or the value of which was enhanced, as a result of the incurring of the allowable expenditure ;
" the principal section " means section 3 of this Act;
" the purchaser " means the person referred to in subsection (1) of the principal section as the person incurring the allowable expenditure; and
" the relevant claim period", in relation to any allowable expenditure, has the same meaning as, by virtue of subsection (5) of the principal section, it has for the purposes of subsection (1) of that section.