In the case of e-commerce transactions, the IRN can be generated by the e-commerce operator on behalf of the supplier. 
e-invoice : 51 days to go in India
For IRN Generation, the date should be either today’s date or yesterday date only.
e-invoice : 52 days to go in India
The document being generated for IRN should not start with “0”,”/” or “-”.
e-invoice : 53 days to go in India
IRN can be generated through IRP by submission of data through APIs or JSON
e-invoice : 54 days to go in India
e-invoice : 55 days to go in India
e-invoice can have maximum 1000 lines.
e-invoice : 56 days to go in India
IRN refers to Invoice Reference Number.
e-invoice : 57 days to go in India
B2C transactions will not be considered for the generation of e-invoice.
e-invoice : 58 days to go in India
e-invoice is not required to be issued by taxpayers Registered in SEZ.
e-invoice : 59 days to go in India
e-invoice is required to be issued for B2B, SEZ Supplies with payment of tax, SEZ Supplies without payment of tax, Exports with payment of tax, Exports with out payment of tax and Deemed Exports.
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