ERP Integration Checklist for E-Invoicing (SAP, DATEV, lexoffice)

ERP integration checklist for e-invoicing

Integrating e-invoicing with your ERP saves hours of manual work and reduces compliance risk. Use this checklist to align your data, formats, and validation steps before go-live.

1) Map your invoice data

• Identify required seller, buyer, and tax identifiers.
• Align line item structure, discounts, and charges.
• Confirm payment terms and bank details are structured.

2) Choose the right output format

Most European formats follow EN 16931. Choose what your recipients require:

• XRechnung for German public sector or mandated B2B.
• ZUGFeRD / Factur-X for hybrid PDF + XML workflows.
• UBL or CII for international systems.

3) Validate before sending

• Run EN 16931 validation rules and national rule sets.
• Store the validation report for auditability.
• Define an error-handling workflow for failed invoices.

4) Test with real partner data

• Use a small batch of invoices across multiple suppliers.
• Confirm that ERP export, conversion, and validation all pass.
• Verify how exceptions are handled and corrected.

5) Go-live checklist

• Document routing channels (PEPPOL, portals, or direct exchange).
• Train finance teams on review and corrections.
• Set internal SLAs for conversion, validation, and retries.