To cancel your e-Way bill, follow the steps mentioned below:Step 1: Visit the official GST e-Way bill portal, i.e. ewaybill.nic.in. Step 2: Click on the ‘e-Way Bill’ tab and click on the sub-option ‘Cancel’. Step 3: Now, enter the 12-digit e-Way bill no of the bill that must be cancelled, and click on ‘Go’. Step 4: You have to enter a suitable reason for the cancellation. Once done, the e-Way bill will get cancelled. The process to cancel the e-invoice is similar. To begin, Step 1: Visit the official GST e-Way bill portal at ewaybill.nic.in. Step 2: Click on the ‘E-invoice Cancel’ tab. Step 3: Enter the ‘Ack No’ and ‘IRN’ of the e-invoice, and click on ‘Go’. Step 4: Select the reason for cancellation and click on ‘Submit’ to cancel the e-invoice.