While returning IRN, the IRP adds its digital signature, “Acknowledgement No.” and “Date.” Whether these also need to be printed while issuing invoices?

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While returning IRN, the IRP adds its digital signature, “Acknowledgement No.” and “Date.” Whether these also need to be printed while issuing invoices?

No. There is no mandate to print these particulars on invoice copy. Note that the “Acknowledgement No.” and “Date” given by IRP are only for reference. A 15-digit number, the acknowledgment number, will also come in handy for printing e-invoice or generating e-way bills (instead of keying in the 64-character long IRN).