Invoice Reference Number(IRN)
A 64-character hash returned by India's Invoice Registration Portal that uniquely identifies a B2B invoice — without it, the invoice is not legally valid.
Related terms
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TechnicalPan-European Public Procurement On-Line — an open, four-corner network for exchanging electronic invoices across borders, now adopted as the basis of mandates in the EU, Singapore, Australia, Malaysia, and others.
QR Code (Tax Invoice)
TechnicalA 2D barcode embedded in tax invoices encoding key invoice metadata (seller, VAT number, totals, timestamp). Mandatory in KSA Phase 1 and on simplified UAE invoices.
UBL
TechnicalUniversal Business Language — an open-standard XML library for business documents (invoices, orders, despatch advices) maintained by OASIS and used by Peppol.
GST Identification Number
VAT & TaxA 15-character alphanumeric identifier assigned to every GST-registered taxpayer in India, used on all tax invoices and GST returns.
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