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+[Back to 2 Operable index](index.md)
+
+# 2.2.4 Interruptions
+
+- Level: AAA
+- Guideline: 2.2 Enough Time
+- Principle: 2 Operable
+
+## What it is
+
+Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.
+
+## How to test
+
+- Check: Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.
+- Use the sufficient techniques below as acceptable methods when applicable.
+- Confirm none of the common failures apply.
+
+## Sufficient techniques (W3C)
+
+- G75: Providing a mechanism to postpone any updating of content
+- G76: Providing a mechanism to request an update of the content instead of updating automatically
+- SCR14: Using scripts to make nonessential alerts optional
+
+## Common failures (W3C)
+
+- F40: Failure due to using meta redirect with a time limit
+- F41: Failure of Success Criterion 2.2.1, 2.2.4, and 3.2.5 due to using meta refresh to reload the page
+
+## Resources
+
+- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#interruptions
+- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/interruptions.html
+- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#interruptions
+
+[Back to 2 Operable index](index.md)