# NIZU Facturae 3.2.1  e-Invoicing for Spain

> Introduction NIZU Facturae 3.2.1 is the official electronic invoicing format used in Spain, supported and regulated by the Agencia Tributaria (AEAT) and the Ministerio de Asuntos Económicos y Transfo…

- Page: https://dashboard.nizu.io/knowledge_base/view/71-nizu-facturae-3-2-1-e-invoicing-for-spain
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- Updated: 2026-10-25T11:50:03Z

## **Introduction**

**NIZU Facturae 3.2.1** is the official **electronic invoicing format used in Spain**, supported and regulated by the **Agencia Tributaria (AEAT)** and the **Ministerio de Asuntos Económicos y Transformación Digital**.

Through this integration, NIZU WorkSpace Cloud allows Spanish companies to **generate, sign, and send digital invoices** fully compliant with Spanish e-invoicing regulations.

The **Facturae format (v3.2.1)** is based on an **XML structure** that defines all necessary fiscal data, including issuer, recipient, tax details, and digital signatures.

It ensures that invoices are both **machine-readable** and **legally valid**, meeting the standards required for both **B2G (Business-to-Government)** and **B2B (Business-to-Business)** transactions.

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#### **Why It Matters**

Spain’s public administrations have been fully digital for years, and upcoming legislation will soon make **electronic invoicing mandatory for all private companies**.

By implementing **NIZU Facturae 3.2.1**, your organization will stay **compliant**, **efficient**, and **ready** for Spain’s transition to a 100% paperless invoicing ecosystem.

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#### **Key Benefits of NIZU Facturae 3.2.1**

- **Full Spanish Compliance:** Aligns with the latest AEAT and FACe requirements for electronic invoicing.
- **Digital Signature Support:** Automatically signs invoices using a valid **XAdES electronic certificate**.
- **FACe Integration:** Send invoices directly to public administrations through the **FACe (Factura Electrónica)** portal.
- **Automated Validation:** Ensures every invoice follows Facturae 3.2.1 schema and includes all mandatory fiscal fields.
- **Secure and Traceable:** Every document includes digital signatures and timestamping for full traceability.
- **Seamless Workflow:** Create and transmit e-invoices directly from NIZU WorkSpace Cloud with no external tools required.