E-invoicing under the goods and services tax (GST) regime will become mandatory for entities with a turnover of Rs 50 crore and more from April 1 for business to business transactions, the government said in a notification on Monday. This will be the third phase of e-invoicing roll out, which was rolled out for entities with Rs 500 crore and more turnover from October 1 last year and later extended to entities with Rs 100 crore and above from January 1 this year. The government had earlier planned to extend e-invoicing to all entities from April 1, 2021, but has