In section 120 of the Income-tax Act, in sub-section (4), in clause (b) --
(i) after the words "shall be exercised or performed by", the words "an Additional Commissioner or" shall be inserted and shall be deemed to have been inserted with effect from the 1st day of June, 1994;
(ii) after the words "an Additional Commissioner or", as so inserted, the words "an Additional Director or" shall be inserted and shall be deemed to have been inserted with effect from the 1st day of October, 1996;
(iii) after the words "deemed to be references to such", the words "Additional Commissioner or" shall be inserted and shall be deemed to have been inserted with effect from the 1st day of June, 1994;
(iv) after the words "Additional Commissioner or" as so inserted, the words "Additional Director or" shall be inserted and shall be deemed to have been inserted with effect from the 1st day of October, 1996.