---
title: "3.1.2 Language of parts"
date: "2025-02-07T13:25:10+00:00"
summary: "Discover how to properly use language tags in HTML and XML for improved accessibility and WCAG 3.1.2 compliance."
image:
type: "page"
url: "/web-governance/312-language-parts"
id: "16ce1256-d86f-4958-bed2-4c29345587e8"
---

Introduction
------------

This collection provides information about the related Acquia Web Governance accessibility checks for [WCAG success criteria 3.1.2 Language of Parts](https://www.w3.org/WAI/WCAG22/Understanding/language-of-parts.html).

Additional resources[¶](https://docs.acquia.com/acquia-optimize/accessibility/1-4-12-text-spacing#section-additional-information "Permalink to this heading")
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This section contains useful resources for this subject.

*   For information about language tags and how to find out the correct tag, visit the external article [Language tags in HTML and XML](https://www.w3.org/International/articles/language-tags/)
    
*   If you cannot find the specific check that is failing, it is possible that the help article is not written yet. For more information, visit [The help article for my check is missing](/web-governance/help-article-my-check-missing "The help article for my check is missing").

### WCAG success criteria[¶](https://docs.acquia.com/acquia-optimize/docs/accessibility/element-lang-attribute-has-valid-language-tag?cid=f48e6&previewMode=current#section-wcag-success-criteria "Permalink to this heading")

[3.1.2 Language of Parts](https://www.w3.org/WAI/WCAG22/Understanding/language-of-parts.html)

### ACT rules

Related accessibility conformance testing rules:

[Element with lang attribute has valid language tag](https://www.w3.org/WAI/standards-guidelines/act/rules/de46e4/)