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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

April 2025

March 2025

CenterPoint Energy

Title / URL	Issues
Greater Houston Resiliency Initiative Phase Twowww.centerpointenergy.com/en-us/Corp/Pages/GHRI-2-0.aspx	5
Legalwww.centerpointenergy.com/en-us/corporate/legal	5
Terms of Usewww.centerpointenergy.com/en-us/corporate/legal/terms-of-use	5
News Releaseswww.centerpointenergy.com/en-us/corporate/about-us/news	5
Our Valueswww.centerpointenergy.com/en-us/corporate/about-us/values	5
Contact CenterPoint Energywww.centerpointenergy.com/en-us/corporate/contact-us	5
Leadership Teamwww.centerpointenergy.com/en-us/corporate/about-us/leadership	5
CenterPoint Energy Privacy Policywww.centerpointenergy.com/en-us/corporate/legal/privacy-policy	5
Corporate Homewww.centerpointenergy.com/en-us/corporate	5
Communitywww.centerpointenergy.com/en-us/corporate/community	5

Fix missing ARIA label IDs

CenterPoint Energy

Where this issue has occurred