FlyerTalk Forums - View Single Post - TSA PreCheck Only with Participating Airlines [merged threads]
Old Jan 30, 2016 | 5:45 pm
  #63  
seawolf
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Originally Posted by D582
I'm fairly sure it is only web and mobile boarding passes (i.e. anything you can generate yourself) that are digitally signed (or have to be digitally signed). Boarding passes printed by the airline do not have that requirement. I know this was why when Air Canada launched Precheck that it was immediately available at the airport but took a while for it to be available for web and mobile. WestJet is in the same situation now.
You are absolutely right than barcodes printed on airline stock does not need to be signed.
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