All intangible assets must be carried at amortised cost or at an impaired amount; they cannot be revalued
upwards

The development of a new process which is not expected to increase sales revenues may still be recognised as
an intangible asset

Expenditure on the prototype of a new engine cannot be classified as an intangible asset because the prototype
has been assembled and has physical substance

Impairment losses for a cash generating unit are first applied to goodwill and then to other intangible assets before
being applied to tangible assets