本规范是iTAP系列技术规范之一，旨在制定iTAP技术在票券领域的应用层规范。
IS 12.002 vV0.1.0 2026-04-03
IS 12.005 vV0.0.5 2026-04-03
IS 12.003 vV0.0.4 2026-04-03
IS 12.001 vV0.0.2 2026-04-03
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