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🇦🇺 ABN (Australia)
• 11 digits, no spaces or letters
• Do not include leading “00”
• Do not enter company registration numbers (ACN) or trading names
• Must be issued by the ATO and pass checksum validation
• Usually found on tax invoices or your business registration paperwork
• Cannot contain letters or symbols
• Publicly searchable via the Australian Business Register
✅ Example: 36108550009

🇪🇺🇬🇧 VAT (Europe / UK)
• Must begin with a valid 2-letter country code (e.g. GB, DE, FR)
• No spaces, dashes, or special characters
• Use the exact format provided by your tax authority
• Commonly found on tax invoices or business registration documents
• VAT numbers vary in length and format by country — always include the prefix
• Do not use VAT-exclusive numbers (some countries issue secondary codes)
✅ Example: GB243510213

🇳🇿 NZBN (New Zealand)
• 13 digits, no spaces or letters
• Must be an official New Zealand Business Number (not the GST number)
• GST or IRD numbers will not be accepted
• Issued by the NZ Companies Office or Business.govt.nz
• NZBN is searchable via the official NZBN Register
• Often used for business verification and procurement
• Must match an active and valid registered business
✅ Example: 9429046672971

Still stuck? Contact info@ecoheads.com.au