271DA. (1) If a person receives any sum in contravention of the provisions of section 269ST, he shall be liable to pay, by way of penalty, a sum equal to the amount of such receipt:
Provided that no penalty shall be imposable if such person proves that there were good and sufficient reasons for the contravention.
(2) Any penalty imposable under sub-section (1) shall be imposed by the Joint Commissioner.
[Updated up to Finance Act 2017]