In section 197 of the Income-tax Act, with effect from the 1st day of June, 1987, -
(a) in sub-section (1) for the words "Where, in the case of any income of any person other than a company", the words, brackets, figure and letter "Subject to rules made under sub-section (2A), where, in the case of any income of any person other than a company" shall be substituted;
(b) after sub-section (2), the following sub-section shall be inserted, namely :-
"(2A) The Board may, having regard to the convenience of assessees and the interests of revenue, by notification in the Official Gazette, make rules specifying the cases in which, and the circumstances under which, an application may be made for the grant of a certificate under sub-section (1) and the conditions subject to which such certificate may be granted and providing for all other matters connected therewith.".