The following provisions apply for the purposes of this Part.
References to profit or losses of any description—
"Capitalisation", in relation to a company's profits, means any of the following operations (whenever carried out)—
References to "realised profits" and "realised losses", in relation to a company's accounts, are to such profits or losses of the company as fall to be treated as realised in accordance with principles generally accepted at the time when the accounts are prepared, with respect to the determination for accounting purposes of realised profits or losses.
Subsection (4) is without prejudice to—
"Fixed assets" means assets of a company which are intended for use on a continuing basis in the company's activities.