EDI 文档
X12 003010 Release
Transaction Set
Segments
Elements
904 Requirement Designator
904 Requirement Designator
Requirement designator as specified in the standard or standards convention.
Type
ID
Length
Max 1 / Min 1
Codes
<> C
Conditional
<> F
Floating
<> M
Mandatory
<> N
Not Used By Convention
<> O
Optional
<> R
Required by Convention
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