Research and commentary | Acas

The right to rest - Rest and breaks at work - Acas

Resignation notice letter template | Acas

Disability at work | Acas

What bullying is - Bullying at work - Acas

Understanding neurodiversity - Neurodiversity at work - Acas

Acas office addresses | Acas

Settlement agreement guidance and templates | Acas

Creating absence policies - Acas

Protected characteristics | Acas

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

June 2025

May 2025

ACAS

	Title / URL	Issues
	Research and commentary \| Acaswww.acas.org.uk/research-and-commentary	1
	The right to rest - Rest and breaks at work - Acaswww.acas.org.uk/rest-breaks	1
	Resignation notice letter template \| Acaswww.acas.org.uk/resignation-letter-template	1
	Disability at work \| Acaswww.acas.org.uk/disability-at-work-0	1
	What bullying is - Bullying at work - Acaswww.acas.org.uk/bullying-at-work	1
	Understanding neurodiversity - Neurodiversity at work - Acaswww.acas.org.uk/neurodiversity-at-work	1
	Acas office addresses \| Acaswww.acas.org.uk/acas-office-addresses	1
	Settlement agreement guidance and templates \| Acaswww.acas.org.uk/settlement-agreements	1
	Creating absence policies - Acaswww.acas.org.uk/creating-absence-policies	1
	Protected characteristics \| Acaswww.acas.org.uk/protected-characteristics	1

Fix missing ARIA label IDs

ACAS

Where this issue has occurred