Subsection (1) does not apply to any part of that amount representing an unrealised profit made on revaluation of those costs.
Subsection (1) does not apply if—
there are special circumstances in the company's case justifying the directors in deciding that the amount there mentioned is not to be treated as required by subsection (1),
it is stated—
in the case of Companies Act accounts, in the note required by regulations under section 396 as to the reasons for showing development costs as an asset, or
in the case of IAS accounts, in any note to the accounts,
that the amount is not to be so treated, and
the note explains the circumstances relied upon to justify the decision of the directors to that effect.