Perhaps the most complex section for new engineers is the Bit Map explanation. NDC uses a primary and secondary bit map to indicate which Data Elements (DEs) are present in the message body.
I’m unable to locate a specific document titled in my knowledge base or via general search at this time. This appears to be a highly specific or internal technical manual, possibly related to: aptra advance ndc reference manual
: Implementation details for EMV ICC processing, Triple DES, and PIN verification methods. Related Manuals Perhaps the most complex section for new engineers