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The Standard on Web Accessibility for Government of Canada websites and web applications requires that each web page meet at minimum all five WCAG 2.0 conformance requirements. At ESDC, conformance with WCAG 2.1 is required.

Under WCAG 2.0 Guideline 2.2 Enough Time
2.2.1 Timing Adjustable: For each time limit that is set by the content, at least one of the following is true: (Level A)
• 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.
In this case, the real-time or essential exceptions do not apply. The 20 hour exception does not meet IT Security standards since it leaves the door open for attacks (session hijacking etc…). For that reason, common timeouts range from 15-30 minutes for low risk applications. This leaves only three options available to meet accessibility standards; Turn Off, Adjust or Extend. None of these options are currently supported with Power Apps Portal.

We are requesting that this accessibility issue be brought to the Power Apps Portal product team and request that they consider a design change for a future release that would implement one or more of the options for a portal user to adjust their session.
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