ISO 24495-1:2023
Plain language — Part 1: Governing principles and guidelines
This document establishes governing principles and guidelines for developing plain language documents. The guidelines detail how the principles are interpreted and applied.
This document is for anybody who creates or helps create documents. The widest use of plain language is for documents that are intended for the general public. However, it is also applicable, for example, to technical writing, legislative drafting or using controlled languages.
This document applies to most, if not all, written languages, but it provides examples only in English.
While this document covers the essential elements of plain language, it has some intentional limits, as follows:
— It does not cover all types of communication. It applies only to printed or digital information that is primarily in the form of text.
NOTE 1 However, creators of other types of communications, such as podcasts and videos, can find this document useful.
— It does not include existing technical guidance about accessibility and digital documents, although the guidance can apply to both.
NOTE 2 For guidance on accessibility, authors of digital documents can consider the Web Content Accessibility Guidelines[4] and
Get this standard
Prices exclude GST
PDF
( Single user document)
HardCopy
Networkable PDF
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Governing principles
5 Guidelines
5.1 Guidelines for Principle 1: Readers get what they need (relevant)
5.1.1 Overview
5.1.2 Identify the readers
5.1.3 Identify the readers’ purpose
5.1.4 Identify the context in which readers will read the document
5.1.5 Select the document type or types
5.1.6 Select content that readers need
5.2 Guidelines for Principle 2: Readers can easily find what they need (findable)
5.2.1 Overview
5.2.2 Structure the document for readers
5.2.3 Use information design techniques that enable readers to find information
5.2.4 Use headings to help readers predict what comes next
5.2.5 Keep supplementary information separate
5.3 Guidelines for Principle 3: Readers can easily understand what they find (understandable)
5.3.1 Overview
5.3.2 Choose familiar words
5.3.3 Write clear sentences
5.3.4 Write concise sentences
5.3.5 Write clear and concise paragraphs
5.3.6 Consider including images and multimedia
5.3.7 Project a respectful tone
5.3.8 Ensure that the document is cohesive
5.4 Guidelines for Principle 4: Readers can easily use the information (usable)
5.4.1 Overview
5.4.2 Evaluate the document continually as it is developed
5.4.3 Evaluate the document further with readers
5.4.4 Continue to evaluate readers’ use of the document
Annex A (informative) Overview of principles and guidelines
Annex B (informative) Sample checklist
Bibliography
Keep me up-to-date
Sign up to receive updates when there are changes to this standard
Related Information
Similar Standards
-
AS/NZS ISO 11940.2:2025
Information and documentation – Transliteration of Thai characters into Latin characters – Part 2: Simplified transcription of Thai language
-
AS/NZS ISO 15924:2022
Information and documentation - Codes for the representation of names of scripts
-
AS/NZS ISO 20674.1:2025
Information and documentation – Transliteration of scripts in use in Thailand – Part 1: Transliteration of Akson-Thai-Noi
-
AS/NZS ISO 233.3:2025
Information and documentation – Transliteration of Arabic characters into Latin characters – Part 3: Persian language – Transliteration
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Governing principles
5 Guidelines
5.1 Guidelines for Principle 1: Readers get what they need (relevant)
5.1.1 Overview
5.1.2 Identify the readers
5.1.3 Identify the readers’ purpose
5.1.4 Identify the context in which readers will read the document
5.1.5 Select the document type or types
5.1.6 Select content that readers need
5.2 Guidelines for Principle 2: Readers can easily find what they need (findable)
5.2.1 Overview
5.2.2 Structure the document for readers
5.2.3 Use information design techniques that enable readers to find information
5.2.4 Use headings to help readers predict what comes next
5.2.5 Keep supplementary information separate
5.3 Guidelines for Principle 3: Readers can easily understand what they find (understandable)
5.3.1 Overview
5.3.2 Choose familiar words
5.3.3 Write clear sentences
5.3.4 Write concise sentences
5.3.5 Write clear and concise paragraphs
5.3.6 Consider including images and multimedia
5.3.7 Project a respectful tone
5.3.8 Ensure that the document is cohesive
5.4 Guidelines for Principle 4: Readers can easily use the information (usable)
5.4.1 Overview
5.4.2 Evaluate the document continually as it is developed
5.4.3 Evaluate the document further with readers
5.4.4 Continue to evaluate readers’ use of the document
Annex A (informative) Overview of principles and guidelines
Annex B (informative) Sample checklist
Bibliography