---
title: "Harmonized Structure (ISO)"
description: "The common clause layout and core text shared by ISO management-system standards such as ISO/IEC 42001, 27001 and 27701 and ISO 9001, which lets one integrated management system meet several of them."
canonical: https://aigovernanceengineer.com/glossary/harmonized-structure-iso
author: "Jorge García Aibar"
license: "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)"
doi: https://doi.org/10.5281/zenodo.22956197
version: "0.5.0"
updated: 2026-09-24
---

# Harmonized Structure (ISO)

The common clause layout and core text shared by ISO management-system standards such as ISO/IEC 42001, 27001 and 27701 and ISO 9001, which lets one integrated management system meet several of them [1]. Not to be confused with an EU harmonised standard.

- Developed in: [ch. 22, Integrating with 27001, 27701 and 9001](https://aigovernanceengineer.com/bok/principles-and-standards#integrating-with-27001-27701-and-9001)
- Chapters: [ch. 22, Principles & Standards](https://aigovernanceengineer.com/bok/principles-and-standards)
- Contrast with: [Harmonised standard](https://aigovernanceengineer.com/glossary/harmonised-standard)
- In the glossary chapter: https://aigovernanceengineer.com/bok/glossary#t-harmonized-structure-iso

## Sources

[1] Management system standards (Harmonized Structure; Annex SL common text; integrated management systems). ISO. 2026. https://www.iso.org/management-system-standards.html (verified: primary)