ST Transaction Set Header

To indicate the start of a transaction set and to assign a control number

Position: ST-01 · Element: 143 · Name: Transaction Set Identifier Code · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: 1

Code uniquely identifying a Transaction Set

The transaction set identifier (ST01) is used by the translation routines of the interchange partners to select the appropriate transaction set definition (e.g., 810 selects the Invoice Transaction Set).

Position: ST-02 · Element: 329 · Name: Transaction Set Control Number · Type: String (AN) · Requirement: Mandatory · Min: 4 · Max: 9 · Repeat: 1

Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set

Position: ST-03 · Element: 1705 · Name: Implementation Convention Reference · Type: String (AN) · Requirement: Optional · Min: 1 · Max: 35 · Repeat: 1

Reference assigned to identify Implementation Convention

The implementation convention reference (ST03) is used by the translation routines of the interchange partners to select the appropriate implementation convention to match the transaction set definition.