Select the incorrect alternative in relation to the bad debts deduction of s 25-35 ITAA97: A taxpayer accounting under the cash method may claim a deduction for bad debts. O The debt must be irrecoverable before it can be regarded as a bad debt The debt to be written off must have been included in the taxpayer's assessable income in the current income year or in an earlier income year. O The debt must be formally written off in the taxpayer's books in the year in which the deduction is claimed