I'm unable to log in to the e-invoice portal. What is the correct username format?
The correct username format for logging into the e-invoice portal may vary depending on the specific portal. It is recommended to use the username that you use to log into the GST portal or the username provided to you by the e-invoice portal. If you are unsure about the correct username format, it is best to contact the customer support of the e-invoice portal for assistance.