Two Factor Authentication for e-Way Bill and e-Invoice System will be mandatory from 15th July 2023 for taxpayers with turnover above 100 Cr.

To enhance the security of e-Way Bill/e-Invoice System, NIC is introducing 2- Factor Authentication for logging in to e-Way Bill/e-Invoice system. In addition to username and password, OTP will also be authenticated for login.

There are 3 different ways of receiving the OTP. You may enter any of the OTP and login to system. The various modes of generating OTP are explained below: 1. SMS: OTP will be sent to your registered mobile number as SMS.

2. On ‘Sandes’ app: Sandes is a messaging app provided by government so that you can send and receive messages. You may download and install the Sandes app on your registered mobile number and receive the OTP in it.

3. Using ‘NIC-GST-Shield’ app: ‘NIC-GST-Shield’ is a mobile app provided by e-Way Bill /e-Invoice System, so that OTP can be generated by using the app.