While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
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I use this email address for an ATT request in Ontario and always get a positive reply, usually by noon same day if I send it early enough in the morning.
Put ATT Request in the subject line and list all info they might require. In the case of mailing a restricted, they also want the street address of the post office as well.