During the assessment years 1958-59, 1959-60 :md 160-ol. t\1'•' fums ir( which the six appellants were partners, filed returns declaring themse1vcs to be registe1<l firn1s and also presented applicilions for rcgis· tration of the firms under s. 26A of the Income-tax Act, 1922. The lncome!ax. Officer refused re.i::istration of the firms an<l assessed the income of the firms, trearJng them as unregistered. 'fhe assessments of the six appellant') were-·nlso made, so that their incomes from the t\-'o firn1s \Vere ir,cludcd in. their individual assessments as if they had received the income J11 the caPacitfQf partners in url.rcgistcred firms. Appeals n1ade by the !irn1s against the order refusing registration \Vere allowed by the Appellate Assist.ant Comn1issioner nnd, in pursuance of the appcilatc ordcr.s. the Inconie Tax Officer passed a coolidated order on 20lh Dccemhcr .. 1966. revising the assessments of the firms for all these years on the basis that. they were reg:stered firms and also apportioned the income of the. firms bct\vccn the six partners. Subsequently, the Income Tax Officer issued notices under s. 155 of the Income Tax ACt, 1961, proposing to rectify the individual assessments cf the six appelian.ts in r~!)Cct 0f each of the three assessment y·ars, whereupon the, appellants challc;igcd the validity of the notices by \Vrit pctitio.ns. It \Vas conceded before· the High Court on behalf Pf th-e Incon1e Tax Officc!r that a' the rectification proposed r::.iatcd to assessment years \Vhen the Income Tax Act, 192:!. was <!ppticablc. proceedings for rectificalion Could not be taken under s. 155 of thl! 196 I .l\ct but only under s.' 35(5) ·of the 1922 Act. in view of the proviSions of s. 297(2)(a) of th~ A~t of 1961,. The High Court dismissod · the petitions: