Payments  in respect of deposits under National Savings Scheme, etc.
 
194EE. The  person responsible for paying to any person any amount referred to in clause (a)  of sub-section (2) of section 80CCA shall,  at the time of payment thereof, deduct income-tax thereon at the rate of [ten]  per cent :
 
Provided that  no deduction shall be made under this section where the amount of such payment  or, as the case may be, the aggregate amount of such payments to the payee  during the financial year is less than two thousand five hundred rupees :
 
Provided  further that nothing contained in this section shall apply  to the payment of the said amount to the heirs of the assessee.