E-Invoice Software- The taxpayers must Create an invoice with all the mandatory details. upload The invoice To IRP(Invoice Reference Portals) using GSP. IRP will generate unique Invoice Reference Number (IRN) after authenticating which will be attached on the e-invoice and system will digitally sign the same and return to taxpayer (supplier) as well as recipient.It will also generates a QR Code containing the unique IRN along with some important parameters of invoice like GSTIN of supplier and buyer, invoice number, date, invoice value, total tax amount and HSN code of major item. visit us- https://mastergst.com/gst-e-invoicing-software-for-business-india.html