May 2026: New Standards Advance Documentation, Labelling, and Plain Language

In May 2026, five innovative international standards have been published, providing new requirements and guidance across documentation, terminology, standardization, and general reference systems. From structuring manufacturing systems to guidelines for plain language in science writing and updated terminology for sustainable cities, these freshly issued standards are key for professionals in compliance, quality, engineering, procurement, and documentation.

These updates reflect the evolving landscape of technical and business needs—enabling better interoperability, clarity, and global alignment for industries ranging from manufacturing and construction to packaging, sustainability, and science communication.

Overview / Introduction

The effective management of technical information and the continuous harmonization of terminology and documentation practices form the backbone of global industry. For manufacturing, logistics, public sector, and research organizations, adherence to up-to-date international standards is essential for quality, conformity, and competitive performance.

This article reviews five newly published standards from May 2026 within the documentation, terminology, and general standardization sector. Professionals will learn about:

• Structuring principles for manufacturing systems
• Specifications and conformity criteria for construction additions
• Modern barcode and 2D label requirements for packaging
• Comprehensive vocabulary for sustainable cities and communities
• Guidelines for clear, accessible science writing

Each standard is covered in detail, with practical implications and compliance notes to help your organization stay updated and competitive.

Detailed Standards Coverage

IEC 81346-14:2026 - Structuring Manufacturing and Processing Systems

Industrial systems, installations and equipment and industrial products — Structuring principles and reference designations — Part 14: Manufacturing and processing systems

Scope and Purpose: IEC 81346-14:2026 provides expanded rules and recommendations for structuring manufacturing and processing systems, building upon previous parts of the 81346 series. This standard introduces additional classification schemes for reference designation, enhancing the identification, localization, and documentation of manufacturing plant objects and their related technical documents.

Key requirements include:

• Rules for functional, product-oriented, location-oriented, and type-oriented structuring
• Detailed formats for single-level and multi-level reference designations
• Classification codes for manufacturing system components, including main systems and supporting functions (like electrical or waste disposal systems)
• Guidelines for aligning documentation and labelling within the manufacturing environment

Industries Affected:

• Manufacturing (light, heavy, material, chemical, electrical, & optical sectors)
• Engineering and technical documentation teams
• Consulting and integration firms specializing in plant and facility management

Practical Implications:

• Simplifies asset management, maintenance, and process optimization
• Ensures uniform labelling and documentation across global sites
• Streamlines compliance with horizontal (cross-sector) requirements

Notable Changes:

• Closer alignment with IEC 81346-1 and 81346-2 (reference designation systems)
• Additional annexes specifically addressing manufacturing environments
• New classification codes and multiple aspect structures to handle complex system interactions

Key highlights:

• Comprehensive structuring for processing, storage, and transportation systems
• Coverage extends to supporting and auxiliary manufacturing functions
• Not applicable to individual product identifiers but rather to systems and documentation

Access the full standard:View IEC 81346-14:2026 on iTeh Standards

EN 18136:2026 - Defining Ground Limestone for Concrete, Mortar, and Grout

Ground limestone for use in concrete, mortar and grout — Definition, specifications and conformity criteria

Scope and Purpose: EN 18136:2026 specifies the minimum requirements for ground limestone when used as an additive in concrete, mortar, and grout. It sets out detailed chemical and physical property requirements, as well as quality control and conformity assessment procedures.

Key requirements include:

• Minimum calcium carbonate content
• Maximum levels for impurities such as chloride, organic carbon, and alkalis
• Physical characteristics: Blaine surface area (fineness), particle density
• Durability and emission limits for harmful substances/radioactivity
• Factory production controls, sampling, and statistical conformity criteria
• Optional procedures for certification and documentation

Industries Affected:

• Construction materials producers (cement, lime, and aggregates)
• Quality assurance and laboratory managers for concrete products
• Construction firms using modern blended materials

Practical Implications:

• Supports consistent performance and durability for cementitious products
• Ensures traceability and comparability of ground limestone products across countries
• Reduces risks of contamination and performance failure
• Provides a clear path to certification and market access

Notable Changes:

• Benefits from pan-European experience to harmonize key specifications
• Detailed statistical and autocontrol procedures for quality verification
• Assessment and verification of conformity aligned with latest EU directives

Key highlights:

• Covers both physical and chemical benchmarks for limestone
• Focused conformity assessment integrates production control and quality documentation
• Facilitates sustainable sourcing and resource efficiency in construction

Access the full standard:View EN 18136:2026 on iTeh Standards

ISO 22742:2026 - Modernizing Packaging Barcodes and Symbol Standards

Packaging — Linear bar code and two-dimensional symbols for product packaging

Scope and Purpose: ISO 22742:2026 defines the design and formatting requirements for linear barcodes and two-dimensional (2D) symbols on product packaging, enabling efficient and accurate data exchange throughout supply and distribution chains.

Key requirements include:

• Specification for label structure (including human-readable and machine-readable data)
• Recommendations on the selection of linear and 2D symbologies (DataMatrix, QR Code, PDF417, etc.)
• Barcode quality standards, density classes, and print quality specifications
• Guidance on label placement, minimum size, free text, and graphical elements
• Support for broad compatibility with scanners and imaging hardware

Industries Affected:

• Packaging and label designers
• Supply chain, warehouse, and logistics professionals
• Manufacturers and distributors across all sectors
• Retailers, importers/exporters, and procurement teams

Practical Implications:

• Improves supply chain efficiency, traceability, and automation
• Reduces scanning errors and inventory mismatches
• Enables quick adaptation of labels for new markets and trading partners

Notable Changes:

• Updated to facilitate modern technologies and supply chain models
• Adds detailed support for 2D symbologies and URL encoding for smart labels
• Greater emphasis on multi-industry, global compatibility

Key highlights:

• Covers both machine-readable and human-readable label elements
• Includes recommendations for durability, placement, and readability across environments
• Enhances interoperability between trading partners and systems

Access the full standard:View ISO 22742:2026 on iTeh Standards

ISO 37100:2026 - Vocabulary for Sustainable Cities and Communities

Sustainable cities and communities — Vocabulary

Scope and Purpose: ISO 37100:2026 is a cornerstone reference standard offering a comprehensive glossary for sustainable development in urban and community contexts. It covers over 100 key concepts—including sustainability, resilience, smartness, quality, conformity, management, and life cycle thinking.

Key requirements include:

• Definitions for terms underpinning sustainability, smart city initiatives, resilience, ecosystem services, environmental impact, and more
• Alignment with United Nations Sustainable Development Goals (SDGs) and global sustainability practices
• Supports benchmarking, communication, and implementation of sustainable city policies

Industries Affected:

• Urban planners, local governments, and policy makers
• Environmental consultants and sustainable development practitioners
• Researchers and organizations implementing smart city frameworks

Practical Implications:

• Ensures consistent use of terminology across international projects and reports
• Aids in drafting, evaluating, and interpreting sustainability metrics and strategies
• Promotes stakeholder communication and regulatory alignment

Notable Changes:

• Updated to reflect current developments in city management, resilience, and smart infrastructure
• Enhanced alignment with the SDG framework and integration of new terms and concepts

Key highlights:

• Over 40 new or revised terms; expanded coverage for complex community systems
• A practical foundation for drafting technical standards and sustainability reports
• Supports compliance, auditing, and knowledge transfer

Access the full standard:View ISO 37100:2026 on iTeh Standards

ISO 24495-3:2026 - Guidelines for Plain Language Science Writing

Plain language — Part 3: Science writing

Scope and Purpose: ISO 24495-3:2026 provides comprehensive principles and guidelines for writing scientific topics clearly and accessibly for readers of all backgrounds. Emphasizing the four foundational principles of plain language, the standard empowers authors to communicate scientific information to diverse audiences—ranging from students and non-experts to decision makers.

Key requirements include:

• Planning and characterizing the intended readers, their purposes, and contexts
• Structuring documents with clear, navigable layouts and meaningful headings
• Using precise but accessible vocabulary and visuals (charts, tables, images)
• Ensuring that scientific content is understandable, relevant, and actionable
• Ethical communication and inclusivity in science outreach

Industries Affected:

• Scientific communicators and technical writers
• Research and public affairs officers
• Education and outreach coordinators
• Standardization bodies developing technical documentation

Practical Implications:

• Increases public trust in science and encourages informed decision-making
• Supports regulatory and compliance reporting where clarity is critical
• Reduces barriers to access, fostering a culture of science engagement

Notable Changes:

• New detailed checklists and annexes tailored for science writing
• Guidance traces back to research-based findings on information comprehension
• Applicable to most written languages and formats

Key highlights:

• Universal principles: relevant, findable, understandable, usable
• Focus on broad accessibility for varied educational backgrounds
• Includes ethical considerations for communicating science

Access the full standard:View ISO 24495-3:2026 on iTeh Standards

Industry Impact & Compliance

These new standards signal an ongoing shift towards greater clarity, interoperability, and sustainable practice across industries. The impacts are multi-faceted:

• Businesses: Must update internal policies, training materials, reference designations, and labelling to align with updated requirements
• Compliance: Early adoption ensures smoother certification, mitigates audit risks, and supports cross-border trade
• Benefits: Enhanced documentation practices improve traceability, reduce the risk of misunderstanding, and foster greater trust among clients, suppliers, and regulators
• Risks: Failing to comply may result in nonconformity findings, product recalls, or exclusion from major tenders/contracts

Adopting these standards is both an investment in organizational robustness and a shield against regulatory setbacks.

Technical Insights

Common themes across these standards:

• Emphasis on statistical quality control and conformity documentation
• Harmonized terminology and structures to enable efficient information exchange
• Support for modern automation tools and digital workflows (e.g., machine-readable packaging, digital documentation)
• Accessibility requirements for technical and scientific writing spanning diverse audiences

Implementation best practices:

1. Conduct a gap analysis against current documentation and labelling systems
2. Train relevant teams (QA, documentation, engineering, labeling, communications) on key changes
3. Update standard operating procedures and process maps accordingly
4. Engage with accreditation and certification bodies early for smooth transitions

Testing and certification:

• Most standards demand documented factory production control and statistical conformity testing
• Testing methods are harmonized with international benchmarks, often referencing core EN or ISO test standards
• Certification is typically third-party, enhancing market acceptance and legal defensibility

Conclusion / Next Steps

The May 2026 wave of standards underlines the international push for integrated, reliable, and universally understandable documentation and terminology. For organizations operating across borders and sectors, staying current with these publications means reducing operational risk, improving transparency, and building competitive advantage.

Key recommendations:

• Review your processes and documentation for alignment with new requirements
• Engage staff with updated training on plain language and structured documentation
• Consult with iTeh Standards to access full documents, guidance, and implementation support

Stay ahead of the curve by exploring the full set of new standards and implementing best-in-class documentation and compliance practices. Discover more at iTeh Standards.