# NIZU Peppol UBL Invoice 2.1 e-Invoice for Belgium > Introduction NIZU Peppol UBL Invoice 2.1 is NIZU’s integrated solution for electronic invoicing (e-Invoicing) in compliance with Belgian and European Peppol standards. It enables businesses to create… - Page: https://dashboard.nizu.io/knowledge_base/view/70-nizu-peppol-ubl-invoice-2-1-e-invoice-for-belgium - Part of: [Knowledge base](https://dashboard.nizu.io/knowledge_base/llms.txt) on NIZU — https://dashboard.nizu.io/llms.txt - Updated: 2026-10-25T11:50:03Z ##### ![pasted_image_file68e0c3e5a5ef3-image_UDDRs.png](https://dashboard.nizu.io/files/timeline_files/pasted_image_file68e0c3e5a5ef3-image_UDDRs.png) ##### **Introduction** **NIZU Peppol UBL Invoice 2.1** is NIZU’s integrated solution for **electronic invoicing (e-Invoicing)** in compliance with **Belgian and European Peppol standards**. It enables businesses to create, send, and receive **legally recognized digital invoices** that meet all government and cross-border requirementswithout manual intervention. The term **UBL (Universal Business Language)** refers to the standardised XML format used for electronic business documents, ensuring full interoperability between accounting systems, ERP platforms, and public administration portals. **Peppol** (Pan-European Public Procurement Online) is the secure network used by European companies and governments to exchange these e-invoices safely and reliably. --- #### **Why It Matters** Since **January 2026**, all companies operating in Belgium will be required to issue and receive electronic invoices using the Peppol network. By adopting NIZU’s Peppol UBL 2.1 integration now, your organization will be **fully compliant**, **audit-ready**, and **technologically aligned** with future EU digital invoicing policies. --- #### **Key Benefits of NIZU Peppol UBL 2.1** - **Full Belgian Compliance:** Automatically follows the latest **B2G (Business-to-Government)** and **B2B (Business-to-Business)** e-invoice regulations. - **Automated Validation:** Checks all mandatory fields before sending to ensure the invoice meets UBL 2.1 standards. - **Seamless Transmission:** Sends invoices securely through the **Peppol network** without manual export or email. - **Instant Delivery & Tracking:** Track invoice delivery status directly inside NIZU WorkSpace Cloud. - **Integration-Ready:** Connect easily with your accounting or ERP systems for smooth financial workflow automation.