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IT-R-008:CIG/CUP codes for public contracts

Italian B2G invoices require CIG and/or CUP codes.

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Why This Error Matters

Required for Italian public procurement traceability.

How to Fix It

1

Get codes

CIG from tender, CUP from project

2

Add to invoice

ProjectReference or dedicated fields

Technical Details

XPath: //cac:ProjectReference or //cbc:BuyerReference

Common Causes

  • Missing CIG for PA invoice
  • Missing CUP for funded project

Frequently Asked Questions

Italian B2G invoices require CIG and/or CUP codes.
Add CIG (tender code) and CUP (project code) where required. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
IT-R-008 is a warning that may not always cause rejection, but should be addressed for full compliance.

See Also

🇮🇹

E-Invoicing in Italy

Requirements & common errors

Related Errors

IT-R-001

Italian suppliers must have a tax registration identifier (BT-32) between 11 and 16 characters. This accommodates both P

Last updated: 19 January 2026

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