XXX XXX XXX XXX 408 (3) Where the assessee incurs any expenditure in respect of which payment is made, after such date (not being later than the 31st day of March 1969) as may be speci fied in this behalf by the Central Government by notification in the Official Gazette, in a sum exceeding ten thousand rupees otherwise than by a crossed cheque drawn on a bank or by a crossed bank draft, such expenditure shall not be allowed as a deduction: XXX XXX XXX Provided further that no disallow ance under this subsection shall be made where any payment in a sum exceeding ten thousand rupees is made otherwise than by a crossed cheque drawn on a bank or by a crossed bank draft, in such cases and under such circum stances as may be prescribed, having regard to the nature and extent of banking facilities available, considerations of business expedi ency and other relevant factors." Originally, Section 40A(3) required payments in respect of expenditure, which exceed Rs.2,500 to be made by a crossed cheque or a crossed bank draft.