TRN
Trace .
Pos: 035 Max: 1
Heading - Optional
Loop: N/A Elements: 4
.

To uniquely identify a transaction to an application Element Summary:

                     
  _Ref_ Id _________Element Name__________ Req Type Min/Max ___Usage___  
  TRN01 481 Trace Type Code M ID 1/2 Must use  
      Description: Code identifying which transaction is being referenced
      All valid standard codes are used.
  TRN02 127 Reference Identification M AN 1/30 Must use  
      Description: Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier
  TRN03 509 Originating Company Identifier O AN 10/10 Used  
      Description: A unique identifier designating the company initiating the funds transfer instructions. The first character is one-digit ANSI identification code designation (ICD) followed by the nine-digit identification number which may be an IRS employer identification number (EIN), data universal numbering system (DUNS), or a user assigned number; the ICD for an EIN is 1, DUNS is 3, user assigned number is 9
  TRN04 127 Reference Identification O AN 1/30 Used  
      Description: Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

Semantics:
1. TRN02 provides unique identification for the transaction.
2. TRN03 identifies an organization.
3. TRN04 identifies a further subdivision within the organization.

Transaction Set
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