Section 105(3) in The Andaman and Nicobar Islands Value Added Tax Regulation, 2017
(3)Every dealer at the time of applying for registration under this Regulation shall mention the Permanent Account Number obtained under the Income-tax Act, 1961:Provided that the dealers already registered under this Act shall intimate their Permanent Account Number obtained under the Income-tax Act, 1961 in the prescribed form, within a period of two months from the date of issuance of notification of this amendment.