Introduction E-Invoicing under GST is an authentication mechanism just like the E-way Bill system. However, the mechanism is different, wherein it involves submitting already generated invoices on the common e-invoice platform before issuing the same to the customer. It is a system in which Business to Business (B2B) invoices are authenticated electronically by GSTN. All the invoices uploaded on the e-invoice platform will be automatically transferred to the GSTN portal and E-way bill portal...