ISO/IEC 17067:2026 / Guidelines for conformity assessment schemes - Ed. 2.0 Oct 2026

ISO/IEC 17067:2026 
Guidelines for conformity assessment schemes - Ed. 2.0 Oct 2026

ID 27418 | 05 Novembre 2026 / Preview attached

ISO/IEC 17067:2026
Conformity assessment - Fundamentals of and guidelines for conformity assessment schemes

Publication date 21.10.2026
Edition 2.0

This document specifies the fundamental principles and concepts of conformity assessment schemes (programmes) and provides guidelines for understanding, developing, operating or maintaining them.
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This document was prepared by the ISO Committee on Conformity Assessment (CASCO), in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/CLC/JTC 1, Criteria for conformity assessment bodies, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO/IEC 17067:2013), which has been technically revised.

The main changes are as follows:

- the scope has been expanded to apply to conformity assessment schemes in general;
- the title has been updated to reflect the extended scope;
- individual clauses have been rephrased to apply to conformity assessment schemes in general;
- clauses have been added to provide specifics (e.g. on product certification schemes) where necessary;
- guidelines for product certification schemes are maintained and moved to Annex A;
- annexes have been added to provide guidelines for other schemes (e.g. schemes including inspection, management system certification, peer assessment, accreditation).
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This document provides fundamental concepts, principles and guidelines for conformity assessment schemes (which are sometimes referred to as “conformity assessment programmes”).

Conformity assessment performed in accordance with a conformity assessment scheme can provide assurance to interested parties via demonstration that specified requirements are fulfilled. Conformity assessment can thus provide assurance to interested parties in various areas, including, but not limited to, legal compliance, health and safety, suitability for intended use, performance, durability, compatibility, environmental impacts, governance and social impacts, resource use efficiency and resource circularity, management and use of information technology, climate change and sustainability matters.

This document is intended for those who have an interest in conformity assessment schemes, particularly those who own or operate schemes, or are considering development of a scheme. These people and their organizations can include:

a) governments and regulatory authorities;
b) industry, trade associations and organizations (e.g. retailers) within value chains;
c) procurement and purchasing agencies;
d) non-governmental organizations (NGOs);
e) consumer organizations;
f) bodies undertaking conformity assessment activities.

A conformity assessment scheme can be operated at an international, regional, national, sub-national level, or for a specific industry sector or value chain. A scheme can be documented or only orally created.

A conformity assessment scheme is defined as a set of rules and procedures that:
- describes objects of conformity assessment;
- identifies the specified requirements; and
- provides the methodology for performing conformity assessment.

This document is one of the ISO/IEC and ISO documents on conformity assessment that are developed and maintained by the ISO Committee on Conformity Assessment (CASCO).

These ISO/IEC and ISO documents are colloquially known as the “CASCO toolbox” and contribute to the development of “conformity assessment procedures” as referenced in the World Trade Organization Agreement on Technical Barriers to Trade (WTO/TBT).

These documents are applied and used by ISO and its members, IEC and its national committees, and organizations outside of ISO and IEC (e.g. regulatory authorities, NGOs, accreditation bodies and agreement groups) for globally accepted conformity assessment practice.

Where the context is unambiguous, "scheme" is used in short for the full terms "conformity assessment scheme" and “conformity assessment programme”. For ease of comprehension of this document, the terms "conformity assessment scheme" and “conformity assessment programme” are considered synonyms, unless explicitly stated otherwise.

Where the context is unambiguous, "system" is used in short for the full term "conformity assessment system".

Where the context is unambiguous, "object" is used in short for the full term "object of conformity assessment".
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Norme della Serie ISO/IEC 170XX - Valutazione della conformità