How to Fix “Link Annotation Not Nested” Error for WCAG Compliance
In today’s tutorial, we’ll address a common issue encountered when testing for WCAG compliance using the PAC 2024 tool. If you’re ready to tackle the “Link Annotation Not Nested Inside a Link Structure Element” failure, let’s dive right in.
Video Guide
Understanding the Error
Have you ever encountered this error message while using the auto tagger in Adobe Acrobat Pro DC? It’s a frustrating roadblock. Don’t worry, we’ll navigate through it together.
Identifying the Issue
Upon testing your document, you may find that link object references are not properly nested within a parent link tag. This oversight can lead to WCAG compliance failures, highlighting the importance of addressing it promptly.
Fixing the Link Annotation Not Nested Error
Fortunately, resolving this issue is straightforward:
- Creating a Link Tag: Right-click within the tags panel and select “New Tag.” Type “link” with a capital L and lowercase i n k.
- Nesting Link Object References: Move the link object reference inside the newly created link tag. Optionally, you can also include the associated text within the link tag.

Verification and Testing
After making the necessary adjustments, save your file and rerun it through the PAC 2024 tool. You should observe a reduction in the number of errors associated with this category, indicating successful remediation.
Download the Free Section 508 Checklist for PDF Accessibility:
Importance of Attention to Detail
While fixing this error may seem trivial, it underscores the significance of meticulous document remediation. Even minor oversights can impact accessibility compliance, emphasizing the need for thorough review and testing.
By following these steps, you’ve taken a significant stride toward enhancing the accessibility of your documents.
Remember, I can be your accessibility expert. For more detailed insights, tutorials, and in-depth discussions on accessibility and related topics, don’t forget to check out my YouTube channel: The Accessibility Guy on YouTube. Subscribe for regular updates!
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