(2)In making any deduction for a bad debt or part thereof, the following provisions shall apply-(i)[ no such deduction shall be allowed unless such debt or part thereof has been taken into account in computing the income of the assessee of the previous year in which the amount of such debt or part thereof is written off or of an earlier previous year, or represents money lent in the ordinary course of the business of banking or money-lending which is carried on by the assessee;] [ Substituted by Act 4 of 1988, Section 11, for Clause (i) (w.e.f. 1.4.1989).](ii)if the amount ultimately recovered on any such debt or part of debt is less than the difference between the debt or part and the amount so deducted, the deficiency shall be deductible in the previous year in which the ultimate recovery is made;(iii)any such debt or part of debt may be deducted if it has already been written off as irrecoverable in the accounts of an earlier previous year [(being a previous year relevant to the assessment year commencing on the 1st day of April, 1988, or any earlier assessment year)] [ Inserted by Act 4 of 1988, Section 11 (w.e.f. 1.4.1989).] but the [Assessing Officer] [ Substituted by Act 4 of 1988, Section 2, for " Income-tax Officer" (w.e.f. 1.4.1988).] had not allowed it to be deducted on the ground that it had not been established to have become a bad debt in that year;(iv)where any such debt or part of debt is written off as irrecoverable in the accounts of the previous year [(being a previous year relevant to the assessment year commencing on the 1st day of April, 1988, or any earlier assessment year)] [ Inserted by Act 4 of 1988, Section 11 (w.e.f. 1.4.1989).] and the [Assessing Officer] [ Substituted by Act 4 of 1988, Section 2, for " Income-tax Officer" (w.e.f. 1.4.1988).] is satisfied that such debt or part became a bad debt in any earlier previous year not falling beyond a period of four previous years immediately preceding the previous year in which such debt or part is written off, the provisions of sub-section (6) of section 155 shall apply;(v)[ where such debt or part of debt relates to advances made by an assessee to which clause (viia) of sub-section (1) applies, no such deduction shall be allowed unless the assessee has debited the amount of such debt or part of debt in that previous year to the provision for bad and doubtful debts account made under that clause.] [ Substituted by Act 26 of 1997, Section 7, for Clause (v) (w.r.e.f. 1.4.1992).]