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The open standard specifications from Calypso are create by the transport ticketing community, for the transport ticketing community. The give transport operators and authorities control of their ticketing network.
Many of these technical documents are free for anyone to access. However, some documents are reserved to members of Calypso Networks Association (CNA), including implementation notes and audit information.
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You must be a signed-in CNA Member and have submitted a signed Non-Disclosure Agreement to access these documents. For more information and to request an NDA, please get in touch via [email protected].