IH Interconnect Mailbag Header

To start and identify an interconnect mailbag containing zero, one, or more interconnect mailbag acknowledgments; zero, one, or more interchanges; or some combination of the two. The interconnect mailbag control number value in the interconnect mailbag header (IH) must match the value in the same data element in the corresponding interconnect mailbag trailer (IT)

Position
Element
Name
Type
Requirement
Min
Max
Repeat
IH01
Interconnect Mailbag Version Number
Identifier (ID)
Mandatory
5
5
1
Code indicating the version number covering the interconnect mailbag control segments and the interconnect mailbag acknowledgment segment
IH02
Interconnect Mailbag Logon ID
String (AN)
Optional
1
10
1
Information used for access security identification of the sender of the interconnect mailbag; The content of the logon ID is assigned by the receiving interconnect entity
IH03
Interconnect Mailbag Password
String (AN)
Optional
1
10
1
Information used for additional access security identification of the sender of the interconnect mailbag; The content of the password is assigned by the receiving interconnect entity
IH04
Interconnect Mailbag ID Qualifier Code
Identifier (ID)
Mandatory
2
2
1
Code identifying the system or method of code structure used to designate the sender or receiver ID element being qualified
IH05
Interconnect Mailbag Sender ID
String (AN)
Mandatory
1
15
1
Identification code published by the interconnect entity sender for use by the other interconnect entity parties who use this identification code as the receiver ID to route data back to them via an interconnect
IH06
Interconnect Mailbag ID Qualifier Code
Identifier (ID)
Mandatory
2
2
1
Code identifying the system or method of code structure used to designate the sender or receiver ID element being qualified
IH07
Interconnect Mailbag Receiver ID
String (AN)
Mandatory
1
15
1
Identification code published by a given receiver of a mailbag used as a sending ID by that interconnect entity as their sending ID when sending via an interconnect; Other interconnect entities sending to them will use this as a receiving ID to route a mailbag to them via an interconnect
IH08
Interconnect Mailbag Date
Date (DT)
Mandatory
6
6
1
Date (YYMMDD) the interconnect mailbag was created for initial transmission
IH09
Interconnect Mailbag Time
Time (TM)
Mandatory
6
6
1
Time the interconnect mailbag was created for initial transmission; Time is expressed in 24-hour clock time (HHMMSS, time range: 000000 through 235959)
IH10
Interconnect Mailbag Time Code
Identifier (ID)
Mandatory
2
2
1
Code identifying the time; In accordance with International Organization for Standardization (ISO) Standard 8601, time can be specified by + or - and an indication in hours in relation to Universal Time Coordinate (UTC) time; Since + is a restricted character, + and - are substituted by P and M, respectively, in the codes that follow
IH11
Interconnect Mailbag Control Number
Numeric (N0)
Mandatory
1
9
1
This number uniquely identifies the interconnect mailbag to the interconnect entity sender; It is assigned by the interconnect entity sender; Together with the sender ID, it uniquely identifies the interconnect mailbag to the interconnect entity receiver; It is suggested that the interconnect entity sender and the interconnect entity receiver be able to maintain an audit trail of interconnect mailbags using this number; Each interconnect mailbag that is created by the sender should contain a unique control number; Interconnect mailbags that require retransmission should not have their control number changed
IH12
Interconnect Mailbag Test Indicator
Identifier (ID)
Mandatory
1
1
1
Code indicating whether data enclosed by this interconnect mailbag envelope is test or production

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