All Events Test For Accrued Expenses. This test requires (1) fixing of a. Under this test, a taxpayer may deduct an accrued liability if the first two prongs of the all events test are met, and economic performance occurs before the earlier of:
This test requires (1) fi xing of. Under the all events test, long applied by this court and the internal revenue service, an expense may be accrued and deducted when all the events that determine the fact of liability.