Accessibility Statement | Marine Casualty Investigation Board

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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

Marine Casualty Investigation Board

Title / URL	Issues
Accessibility Statement \| Marine Casualty Investigation Boardmcib.ie/accessibility/	2
About Us \| Marine Casualty Investigation Boardmcib.ie/about/	2
Cookie Policy \| Marine Casualty Investigation Boardmcib.ie/cookies/	2
Reports \| Marine Casualty Investigation Boardmcib.ie/investigations/page/5/	2
Privacy Statement \| Marine Casualty Investigation Boardmcib.ie/privacy/	2
Marine Casualty Investigation Board \| Home Pagemcib.ie/	2
Board Members \| Marine Casualty Investigation Boardmcib.ie/about/board/	2
What's New \| Marine Casualty Investigation Boardmcib.ie/whats-new/	2
Reports \| Marine Casualty Investigation Boardmcib.ie/investigations/page/3/	2
Annual Reports \| Marine Casualty Investigation Boardmcib.ie/about/annual-reports/page/3/	2

Fix missing ARIA label IDs

Marine Casualty Investigation Board

Where this issue has occurred