What Is Irn - Web the identification number is called an invoice reference number, or the irn. This irn is unique number in the gst system, irrespective of tax payer, financial year and document type. Read about its history, ingredients, and why so many scots think it has a peculiar orange taste. Irn is of 64 characters length. Each invoice uploaded by the tax payer will get the unique number called as invoice reference number (irn).
Read about its history, ingredients, and why so many scots think it has a peculiar orange taste. Irn is of 64 characters length. This irn is unique number in the gst system, irrespective of tax payer, financial year and document type. Web the identification number is called an invoice reference number, or the irn. Each invoice uploaded by the tax payer will get the unique number called as invoice reference number (irn).