知行 EDI 规范查询平台™
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X12 EDI Release 00504
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TST
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TST01
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Element
X12 EDI Release 00504
TST
1155
Educational Test or Requirement Code
Indicates a particular national, regional, state, or local test or requirement
属性
数据类型
ID
必须?
Mandatory
长度
Min 1 / Max 3