EDI 文档
X12 005010 Release
Transaction Set
Segments
Elements
Reference
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X12 Release 005010
/
Elements
/
491 Data Element Usage Type
491 Data Element Usage Type
A code that indicates the type of data element
Type
ID
Length
Max 1 / Min 1
Codes
<> 1
Service
<> 2
Control
<> C
Composite
<> S
Simple