Here is the list of mandatory fields for compliance or business purpose.



About the supplier:

• Name
• Address City ZIP Address line 1 Country Code
• Fiscal ID (ex: VAT number)
• Legal form (company's structure)

About the customer:

• Name
• Address: City ZIP Address line 1 Country Code
• Fiscal ID (ex: VAT number)



About the invoice:

• Sequential ID number uniquely identifying invoice / credit note
• Issue date of the invoice
• Supply date (delivery date): fiscal and legal obligation for NL
• Description / nature at line level
• Quantity / Extent of period of service
• Unit price (VAT / GST excluded)
• Unit number
• Total taxable amount (VAT excluded) at line level and header level
• VAT/GST rates applied %
• Total VAT/GST amount payable (total VAT amount)
• Currency indicated must be part of ISO4217 standard list



If credit note:

• Invoice reference number



If specific exonerated 0% tax rate applied:

• Line level tax exemption reason mandatory