Provide Users with Adequate Time to Complete Tasks and Adjust Timing when Necessary.
People with disabilities may need more time to complete activities.
Users should have adequate time to complete and submit forms.
Allow users to turn off, adjust, or extend any time limits.
For each time limit that is set by the content, at least one of the following should apply:
Turn off
The user is allowed to turn off the time limit before encountering it; or
Adjust
The user is allowed to adjust the time limit before encountering it over a wide range that is at least ten times the length of the default setting; or
Extend
The user is warned before time expires and given at least 20 seconds to extend the time limit with a simple action (for example, "press the space bar"), and the user is allowed to extend the time limit at least ten times; or
Real-time Exception
The time limit is a required part of a real-time event (for example, an auction), and no alternative to the time limit is possible; or
Essential Exception
The time limit is essential and extending it would invalidate the activity; or
20 Hour Exception
The time limit is longer than 20 hours.
Please see more detailed information on how to comply with this standard.