Accounting · IAS 38 Intangible Assets

Which TWO of the following are explicit requirements of IAS 38 Intangible Assets in relation to the amortisation of intangible assets (excluding goodwill)? 1. Intangible assets should be amortised over their expected useful life, or not at all if the useful life is deemed indefinite. 2. Intangible assets should never be amortised but instead reviewed only for impairment losses. 3. Intangible assets should be amortised based on the expected pattern of consumption of the future economic benefits. 4. Intangible assets should neither be amortised nor impaired, and instead carried at original cost until derecognised.