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 · Type: Identifier (ID) · Requirement: Mandatory · Min: 3 · Max: 3 · Repeat: -

Code uniquely identifying a Transaction Set.

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

Identifying control number assigned by the originator for a Transaction Set. Also see: Data Interchange Control Number (28.)