a11y teacher edition W3C WCAG 2.2 & WCAG 3.0 draft reference
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Translating W3C Standards for Designers, Developers, QA & Product teams

โš ๏ธ W3C Working Draft Notice

WCAG 3.0 is an active W3C Working Draft in development by the AGWG. Requirements, assertions, the conformance model and reporting tiers are still being developed and may change. The latest published draft is the 10 September 2026 Working Draft; this site follows the editorsโ€™ draft, which also includes exploratory provisions.

developing Supplemental requirement

Notifications Adjustable

Group: user-control • Guideline: assistive-technology-control

Summary in Plain English

Where notifications or other interruptions occur, their timing or position can be changed, suppressed or saved - unless the notification is an emergency or is otherwise essential.

Why It Matters

Interruptions break concentration and can steal focus mid-task, which is particularly costly for people with attention-related and cognitive disabilities.

Scope: When This Applies

The draft's own conditions, quoted from guidelines/groups/user-control/assistive-technology-control/notifications-adjustable.md.

Applies when

  • Notifications or other interruptions are present.

Except when

  • The notification involves an emergency or is essential.