本标准为银行业发行或接受的卡制定了规范，旨在允许基于磁条编码信息的交换。它规定了轨道3上读/写信息的数据内容和物理位置，并将与第2条中引用的文件的相关部分一起使用。

This Standard establishes specifications for cards issued by or acceptable to the banking industry and is intended to permit interchange based on the use of magnetic stripe encoded information. It specifies the data content and physical location of read/write information on track 3 and is to be used in conjunction with the relevant parts of those documents quoted in clause 2.