Need Assistance? Call: 1-800-692-8463

System Requirements


Our site uses an HTTPS:// connection to encrypt your session. The HTTPS:// connection uses one of several encryption methods as part of the process. Over time, the creators of these encryption methods have upgraded them to provide the best possible security.

To ensure the security of your connection to our site, as of September 1, 2017, will no longer accept certain older methods for securely connecting to our website. Specifically, we will discontinue support for SSL 3.0 and TLS 1.0. We will continue to support TLS 1.1 and TLS 1.2.

This will mean that some older browsers that use these older methods may display an error when connecting to our website. Please make sure you are using one of the supported browsers, listed below, in order to avoid any disruption or inconvenience when logging onto our website.

You can read more about these technologies here:

Supported Devices

This site is designed and tested to run on PC or Mac desktops and laptops. The site is mobile device friendly however not fully supported at this time. If you experience an issue while using a mobile device, please access the site using a supported platform, or contact Client Services at or call 1-800-692-8463.

Supported Operating Systems

For the safety and security of participant information, Mydeferral will only support users running those operating systems (OS) that are currently supported by that OS manufacturer. Please check with your operating system manufacturer to determine if they support the version you are using.

Supported Browsers

Due to the security enhancements and capabilities of newer browsers MyDeferral will support only the most current and two previous versions of any browser listed below. This list will change as new versions of our website become publicly available. While other browsers or older versions of the browsers listed may also be used, functionality may be limited and will not be supported by Client Services.

  • Internet Explorer (Current Version - 11.0.9 and Edge)
  • Chrome (Current Version - 77.0)
  • Firefox (Current Version - 69.0.2)
  • Safari for PC or Mac (Current Version - 5.1.7)
  • Safari for iPad (Current Version - 13.2.2)

Information About Your Browser

  • Type = Unknown
  • Name = Unknown
  • Version = 0.0
  • Platform = Unknown
  • Beta = False
  • Mobile Device = False
  • Mobile Device Manufacturer = Unknown
  • Mobile Device Model = Unknown

In the event you experience issues accessing or using, our Client Services staff may request that you provide information about your web browser shown above.

If you have any further questions, please contact us by email at

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