【国外标准】 Personal identification ?ISO-compliant driving licence ?Part 2: Machine-readable technologies

The purpose of storing IDL data on machine-readable media on the IDL is to: increase productivity (of data and IDL use), facilitate electronic data exchange, and assist in authenticity and integrity validation. This document thus specifies the following: mandatory and optional machine-readable data; the logical data structure; encoding rules for the machine-readable technologies currently supported.