errorPOLpeppol-bis-3

BR-PL-01:Polish NIP number required

Polish invoices must include the NIP (tax identification number) for seller and buyer.

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Why This Error Matters

NIP is mandatory for KSeF (Polish e-invoicing system) and B2B transactions.

How to Fix It

1

Get NIP

10-digit Polish tax number

2

Format with prefix

PL + 10 digits (e.g., PL1234567890)

3

Add for both parties

Required for seller and buyer in B2B

Code Example

<cac:PartyTaxScheme>
  <cbc:CompanyID>PL1234567890</cbc:CompanyID>
  <cac:TaxScheme>
    <cbc:ID>VAT</cbc:ID>
  </cac:TaxScheme>
</cac:PartyTaxScheme>

Technical Details

XPath: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID

Common Causes

  • Missing PL prefix
  • Invalid NIP format
  • Inactive NIP number

Commonly Seen In

ComarchSage SymfoniaInsertSubiekt

Frequently Asked Questions

Polish invoices must include the NIP (tax identification number) for seller and buyer.
Add NIP number with PL prefix. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-PL-01 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-PL-01 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including polish nip number required.
BR-PL-01 is commonly seen in exports from Comarch, Sage Symfonia, Insert, Subiekt. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Related Errors

BR-PL-02

Invalid KSeF invoice type

Last updated: 18 January 2026

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