BS ISO 28560 — RFID in Libraries — Data Elements and Encoding Series

📐 BS ISO 28560 is the British Standards Institution (BSI) adoption of ISO 28560, a series on radio frequency identification (RFID) in libraries under the general title Information and documentation — RFID in libraries, developed within ISO/TC 46 (Information and documentation) by the subcommittee on computer applications in information and documentation, with UK participation through IDT/2/7. The series defines the data elements carried on library RFID tags, their encoding rules, and implementation guidelines — the standard backbone for self-service checkout, collection inventory, security gates, and interlibrary loan, with a foundational role in data interoperability across public libraries, academic libraries, and document centres.

💡 The core idea is “unify the data first, then the encoding”: Part 1 defines the data element set, then Parts 2 and 3 give two alternative encoding implementations (based on ISO/IEC 15962 rules and fixed-length encoding), enabling interchange between different vendors’ equipment and systems.

1. Structure and Scope of the Series 📌

The BS ISO 28560 series has three parts, designed to be used together:

Part	Standard No.	Subject	ICS
Part 1	BS ISO 28560-1:2014	Data elements and general guidelines for implementation	35.040; 35.240.30
Part 2	BS ISO 28560-2:2014	Encoding of RFID data elements based on ISO/IEC 15962 rules	35.040; 35.240.30
Part 3	BS ISO 28560-3:2014	Fixed-length encoding	35.040; 35.240.30

⚠️ All three parts are second editions of 2014, superseding the 2011 editions (BS ISO 28560-1/2/3:2011 are withdrawn). Use the latest edition for implementation.

2. Data Elements and Implementation Guidelines (Part 1) 🔧

Part 1 defines the user data elements that may be carried on library RFID tags and gives general implementation guidelines, covering:

Overview of user data elements: the names, semantics, and usage rules of data elements such as collection identifier, item location, item status, and circulation information;
Use of user data elements: the purpose, optionality, and interdependencies of each element;
Maintenance: registration, maintenance, and extension mechanisms to ensure consistent version evolution.

The part also gives implementation guidance, helping libraries choose appropriate data element combinations and align with the Integrated Library System (ILS) and circulation workflows.

3. Encoding Based on ISO/IEC 15962 (Part 2) 🔥

Part 2 specifies the encoding of RFID data elements based on ISO/IEC 15962 rules, covering:

Applicability and relationship with other systems: how this encoding method links with ISO/IEC 15961 (data protocol), ISO/IEC 15962 (data encoding rules and logical memory functions), and air interface standards;
Requirements: data objects, object identifiers, encoding order, data structures, and security options;
Data element encoding: organizing Part 1 data elements into the tag’s memory structure per ISO/IEC 15962 rules.

✅ Advantage: this encoding leverages ISO/IEC 15962’s standardized object identification and data type mechanisms, supporting complex data and extension — suitable for high-interoperability, larger-data applications.

4. Fixed-Length Encoding (Part 3) 🛠️

Part 3 specifies the fixed-length encoding method, covering:

Data element requirements: the length, position, and value domain of each data element;
RFID air interface: the applicable air interface and tag type;
Data protocol: the organization of tag memory so the fixed-length structure is parsed consistently by different devices.

🚨 Selection note: fixed-length encoding is simple and low-cost but has limited extensibility. If future data elements or longer fields are expected, evaluate whether Part 2’s extensible encoding should also be supported.

5. Engineering Practice Essentials 🔍

🔍 System selection: based on collection size, staffed equipment, and interoperability needs, choose Part 2 or Part 3 encoding, or both.
🔧 Multi-vendor interoperability: with unified encoding rules, readers, self-service machines, and security gates from different vendors read the same tag.
📊 Data migration: when migrating from barcodes or legacy RFID, map data elements per Part 1 to keep collection records continuous.
📋 Security and privacy: data element design should address protection and access control of personal information (e.g., borrowing history).

6. Frequently Asked Questions ❓

❓ Q: How do I choose among the three parts?
A: Part 1 is the data element definition (essential foundation); Parts 2 and 3 are two encoding implementations. Choose Part 2 for extensibility and complex data, Part 3 for simple, low-cost scenarios, or support both.

❓ Q: Why does Part 2 reference ISO/IEC 15962?
A: ISO/IEC 15962 is the generic RFID data encoding and logical memory rule. Part 2 builds on it to define library-domain data element encoding, ensuring cross-industry consistency.

❓ Q: Is this standard mandatory for all libraries?
A: No. It mainly serves multi-vendor interoperability and interlibrary loan. A single-library closed system may decide freely; libraries pursuing vendor neutrality and future extension usually choose to follow it.

❓ Q: What changed between the 2011 and 2014 editions?
A: The 2014 editions revised data elements, encoding rules, and maintenance mechanisms, and clarified references to ISO/IEC 15962 etc. Use the 2014 editions.

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