ISO 9564-3:2003规定了脱机PIN处理所需的最低安全措施，以及在脱机环境中交换PIN数据的标准方法。它适用于需要离线PIN验证的金融交易卡交易，以及负责在自动柜员机（ATM）和收单机构赞助的销售点（POS）终端上实施PIN管理和保护技术的机构。

ISO 9564-3:2003 specifies the minimum security measures required for offline PIN handling and a standard means of interchanging PIN data in an offline environment. It is applicable to financial transaction card-originated transactions requiring offline PIN verification and to those institutions responsible for implementing techniques for the management and protection of the PIN at Automated Teller Machines (ATMs) and acquirer sponsored Point-of-Sale (POS) terminals.