Requirement 2
Property, plant, and equipment and finite-life intangible assets are tested for impairment only when events or changes in circumstances indicate book value may not be recoverable (i.e., objective evidence indicative of impairment).
Requirement 3
Goodwill should be tested for impairment on an annual basis and in between annual test dates if events or circumstances indicate that the fair value of the reporting unit is below its book value.