· Normativa · 6 min read
From QR Codes to Unique URLs: How to Implement the EN 18219 Standard for the Digital Passport
The article provides a comprehensive overview of the European standard EN 18219:2026, developed by the CEN/CLC/JTC 24 committee to regulate the creation of unique identifiers for the Digital Product Passport (DPP) in accordance with the EU ESPR regulation. It explains how these must be structured.
Key takeaways
- The EN 18219 standard defines the structure of unique identifiers in URL format (for product, company, and manufacturing facility) to ensure the interoperability and traceability of the Digital Product Passport (DPP) within the EU.
In this article
EN 18219 Standard and the Digital Product Passport (DPP): A Complete Guide to Unique Identifiers
With the entry into force of the ESPR (Ecodesign for Sustainable Products Regulation), the European Union has inaugurated a new era for product traceability and sustainability. At the heart of this transformation lies the Digital Product Passport (DPP).
How can an IT system guarantee that a specific pair of shoes, an EV battery, or an item of clothing is uniquely and securely identified worldwide? The answer is EN 18219.
In this article, we analyze what the EN 18219:2026 standard is, how its architecture works, the 5 accepted identification schemes, and where to find official technical documentation.
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One-Line Key Takeaway
The EN 18219 standard defines the structure of web-resolvable unique identifiers (product, economic operator, facility) to ensure interoperability and traceability for the EU Digital Product Passport (DPP).
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#EN18219 #DigitalProductPassport #DigitalSustainability #ProductTraceability #EUNormative
What is the EN 18219 Standard?
The EN 18219 standard ("Digital product passport — Unique identifiers") is a European technical specification developed by the joint committee CEN/CLC/JTC 24. Its role is to define the general principles, syntax, and IT framework for generating the unique identifiers required by the Digital Product Passport.
Without standardized rules, every company would create proprietary, non-interoperable codes. EN 18219 solves this issue by establishing how to create identification codes that are globally unique, persistent over time, and resolvable via the Web.
The 3 Required Types of Identifiers
The standard specifies three fundamental levels of identification across the supply chain:
-
UPI (Unique Product Identifier): Identifies the product itself. It can be configured at three levels of granularity:
- Model / Model Variant: For standard mass-produced items.
- Batch / Lot: For production runs linked to a specific manufacturing lot.
- Item / Serial Number: For high-precision unit-level traceability.
-
UEOI (Unique Economic Operator Identifier): Identifies the economic actor responsible for placing the product on the market (manufacturer, importer, or distributor).
-
UFI (Unique Facility Identifier): Identifies the physical facility or industrial location where manufacturing or processing took place.
The 5 Supported Identification Schemes
To ensure technology neutrality and prevent vendor lock-in, EN 18219 recognizes 5 official syntax schemes. All identifiers must comply with one of these schemes and be formatted as web URLs accessible via standard web browsers or smartphone scanners.
| Scheme | Key Features | Example Syntax |
|---|---|---|
| GS1 Digital Link | Based on global retail standards (GTIN/EAN). Ideal for fashion and retail goods. | https://id.brand.com/01/04012345678901/21/123456 |
| Self-issued (IEC 61406) | Issued directly by the manufacturer using their own web domain without third parties. | https://dpp.brand.com/id/part12345?sn=78910 |
| ISO/IEC 15459 | Uses registration agency codes registered under ISO (ASC MH10). | https://resolver.org/1P/PART1234/S/SER5678 |
| Decentralized Identifiers (DID) | W3C standard tailored for decentralized architectures and blockchain technology. | https://did.brand.com/did:web:example.com:product1 |
| DOI (ISO 26324) | Digital Object Identifier, commonly used for digital and physical objects. | https://doi.org/10.1234/product-5678 |
Practical Example: What Does a DPP Identifier Look Like?
Taking the most common example in the fashion or consumer electronics sectors, based on GS1 Digital Link:
https://dpp.mybrand.com/01/08051234567890/10/BATCH99/21/SER123456
│ └──────────────┘ │ └─────┘ │ └───────┘
│ GTIN │ Batch │ Serial No.
▼ ▼ ▼
(Model) (Batch) (Single Item)
In this structure:
https://dpp.mybrand.com/represents the server address (resolver).- Code
01specifies the product model (GTIN). - Code
10specifies the manufacturing batch. - Code
21defines the unique serial number of the individual item.
When a consumer or inspector scans the QR code (compliant with EN 18220) on the product, their smartphone opens the corresponding digital product passport web page.
Regulatory Context: The EN 18216–18223 Standard Family
EN 18219 does not work in isolation; it is part of an interconnected suite of standards developed to cover the complete DPP system architecture:
- EN 18216: Data exchange protocols
- EN 18219: Unique identifiers (Product, Operator, Facility)
- EN 18220: Data carriers (QR codes, RFID, NFC tags)
- EN 18221: Data storage, archiving, and persistence
- EN 18222: APIs for DPP lifecycle management and discovery
How to Access Official Documentation
Documentation related to EN 18219 falls into two main categories:
- Official Standard Document (Paid Access): Available through the catalogs of national standardization bodies such as UNI (Italy), DIN (Germany), BSI (UK), or directly via the CEN portal.
- Open-Source Guidelines and Reference Architectures (Free):
- CIRPASS Consortium: EU-funded technical architecture reports that laid the foundation for EN 18219.
- GS1 DPP Guidelines: Free public documentation by GS1 detailing how to implement GS1 Digital Link for DPP compliance.
- W3C DID Specification: Free specifications regarding decentralized identities.
Summary & Key Takeaways
Executive Summary
This guide provides a comprehensive overview of the European standard EN 18219:2026, developed by CEN/CLC/JTC 24 to govern the creation of unique identifiers for the Digital Product Passport (DPP) under the EU ESPR regulation. It details how IDs must be structured for products, operators, and facilities, outlines the 5 permitted technical schemes (such as GS1 Digital Link and Self-issued systems), and contextualizes the standard within the EN 18216–18223 framework.
Key Points
- Primary Objective: Ensure that every Digital Product Passport uses globally unique, persistent, and web-resolvable identifiers.
- Three Levels of Identification:
- UPI (Unique Product Identifier): Identifies the product at model, batch, or serial level.
- UEOI (Unique Economic Operator Identifier): Identifies the economic actor (manufacturer/importer).
- UFI (Unique Facility Identifier): Identifies the manufacturing or processing site.
- Technology Neutrality (5 Schemes Allowed): Supports GS1 Digital Link, Self-issued (IEC 61406), ISO/IEC 15459, DIDs (W3C), and DOI (ISO 26324).
- Ecosystem Integration: Works alongside EN 18220 (data carriers like QR codes), EN 18221 (data persistence), and EN 18222 (lifecycle APIs).
- Document Availability: Official standards are purchased via national standards bodies, while reference guidelines (CIRPASS, GS1, W3C) are freely available online.
Conclusion
Adopting the EN 18219 standard means preparing your enterprise systems to communicate seamlessly and transparently with the European Digital Product Passport network. Whether you choose a GS1 architecture or a self-issued domain-based system, the key to success lies in proper data structuring and long-term persistence.
Fonti
- 🇪🇺 Quadro Normativo UE: EUR-Lex - Regolamento (UE) 2024/1781 (ESPR)
- 🏛️ Organismo di Normazione: CEN-CENELEC JTC 24 Digital Product Passport
- 🔬 Architettura Tecnologica e Piloti UE: Progetto CIRPASS (Digital Product Passport)
- 🌐 Specifiche di Sintassi ID: GS1 Digital Link Standard e W3C Decentralized Identifiers (DIDs)
- 📜 Testo dello Standard: UNI Store - UNI CEI EN 18219:2026