Section 34(1) in The Andaman and Nicobar Islands Value Added Tax Regulation, 2017
(1)No assessment or re-assessment shall be made by the Commissioner after the expiry of four years from-(a)the end of the year comprising of one or more tax periods for which the person furnished a return under section 26 or section 28; or(b)the date on which the Commissioner made an assessment of tax for the tax period, whichever is the earlier:Provided that where the Commissioner has reason to believe that tax was not paid by reason of concealment, omission or failure to disclose fully material particulars on the part of the person, the said period shall stand extended to six years.
