In the Central Sales Tax Act, 1956(74 of 1956) (hereinafter referred to as the principal Act), in section 19, after sub-section (2), the following sub-section shall be inserted, namely:--
"(2A) Notwithstanding anything contained in sub-section (2), the Chairman or a Member holding a post as such in the Authority for Advance Rulings appointed under clause (a) or clause (c), as the case may be, of sub-section (2) of section 245-O of the Income-tax Act, 1961(43 of 1961) may, in addition to his being the Chairman or a Member of that Authority, be appointed as the Chairman or a Member, as the case may be, of the Authority under this Act.".