(1) This Act provides for allowances in respect of capital expenditure (and for charges in connection with those allowances).

(2) The allowances for which this Act provides are those under—

(a) Part 2 (plant and machinery allowances);

(b) Part 3 (industrial building allowances);

[(ba) Part 3A (business premises renovation allowances)]¹

(c) Part 4 (agricultural building allowances);

[(ca) Part 4A (flat conversion allowances );]²

(d) Part 5 (mineral extraction allowances);

(e) Part 6 (research and development allowances);

(f) Part 7 (know-how allowances);

(g) Part 8 (patent allowances);

(h) Part 9 (dredging allowances);

(i) Part 10 (assured tenancy allowances).

(3) This Act also provides for allowances in respect of contributions to expenditure incurred on plant or machinery, industrial building or agricultural buildings, for the purposes of a mineral extraction trade or on dredging (see Part 11).