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Integration Guide

Wolters Kluwer

Twinfield

Using Twinfield for e-invoicing? Validate your Peppol exports to catch OIN format issues for government invoices and allowance calculation errors.

Visit Twinfield

Supported E-Invoice Formats

FormatSupport Level
Peppol BIS 3.0Native Support
UBL 2.1Export Available
SI-UBL 2.0Native Support

Common Validation Errors

These errors are frequently encountered when validating e-invoices from Twinfield. Click on any error to see the fix.

About Twinfield

Twinfield by Wolters Kluwer is widely used by Dutch accountants and businesses. It provides full Peppol send/receive support via Wolters Kluwer infrastructure.

Validate Your Invoice

Export your invoice from Twinfield and validate it against Peppol and EN16931 rules.

Validate Free

How to Validate

  1. 1Export your invoice as UBL or XML from Twinfield
  2. 2Upload the file to our validator
  3. 3Review errors and warnings with suggested fixes
  4. 4Fix issues in Twinfield and re-export