Under Income Tax Act, 1961 Digital Payment have become mandatory for the businesses who have turnover of more than Rs 50 Crores to provide an option for receiving Digital Payments. The relevant section of Laws are :

Sec 269SU

Every person, carrying on business, shall provide facility for accepting payment through prescribed electronic modes, in addition to the facility for other electronic modes, of payment, if any, being provided by such person, if his total sales, turnover or gross receipts, as the case may be, in business exceeds fifty crore rupees during the immediately preceding previous year.]

271DB

(1) If a person who is required to provide facility for accepting payment through the prescribed electronic modes of payment referred to in section 269SU, fails to provide such facility, he shall be liable to pay, by way of penalty, a sum of five thousand rupees, for every day during which such failure continues:

Provided that no such penalty shall be imposable if such person proves that there were good and sufficient reasons for such failure.

(2) Any penalty imposable under sub-section (1) shall be imposed by the Joint Commissioner of Income-tax.]

Rule 119AA

Every person, carrying on business, if his total sales, turnover or gross receipts, as the case may be, in business exceeds fifty crore rupees during the immediately preceding previous year shall provide facility for accepting payment through following electronic modes, in addition to the facility for other electronic modes of payment, if any, being provided by such person, namely:—

(i) Debit Card powered by RuPay;

(ii) Unified Payments Interface (UPI) (BHIM-UPI); and

(iii) Unified Payments Interface Quick Response Code (UPI QR Code) (BHIM-UPI QR Code).]

Link to Rule