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When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

missing-aria-labelled-by

May 2025

April 2025

Commission for Communications Regulation (CCR ComReg)

Title / URL	Issues
Careers \| Commission for Communications Regulationwww.comreg.ie/about/careers/	4
Tools & Resources \| Commission for Communications Regulationwww.comreg.ie/tools-resources/	4
Site Map \| Commission for Communications Regulationwww.comreg.ie/site-map/	4
Privacy \| Commission for Communications Regulationwww.comreg.ie/privacy/	4
Service Checker \| Commission for Communications Regulationwww.comreg.ie/servicechecker	4
Help & Complaints \| Commission for Communications Regulationwww.comreg.ie/help-complaints/	4
Engagement \| Commission for Communications Regulationwww.comreg.ie/engagement/	4
Broadband Checker \| Commission for Communications Regulationwww.comreg.ie/broadbandchecker/	4
Premium Rate \| Commission for Communications Regulationwww.comreg.ie/advice-information/premium-rate/	4
Publications \| Commission for Communications Regulationwww.comreg.ie/publications/	4

Fix missing ARIA label IDs

Commission for Communications Regulation (CCR ComReg)

Where this issue has occurred