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Primitive Data Types

TLV data objects use the following primitive data types:

  • A = Alphabetic (string, no numbers).

  • AN = Alphanumeric (string).

  • B = Binary value, which includes bit combinations (“OR” types).

  • CN = Compressed numeric, as defined by EMV 4.3 Book 3, section Data Element Format Conventions.

  • N = Numeric, as defined by EMV 4.3 Book 3, section Data Element Format Conventions.

  • T = TLV Constructed data object (TLV Value contains additional layers of TLV-encoded data the parser should continue to process).

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