856 Advance Ship Notice
Segment: ST Transaction Set Header
Position: 010
Level: Heading
Usage: Mandatory
Max Use: 1
Purpose: To indicate the start of a transaction set and to assign a control number
Syntax Notes:
Semantic Notes: 1 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).
Notes:   Example: ST*856*0008!  
Data Element Summary 
  Ref. Data
  Des. Element Name Attributes
M ST01 143 Transaction Set Identifier Code M ID 3/3
  Code uniquely identifying a Transaction Set
  856    Ship Notice/Manifest
M ST02 329 Transaction Set Control Number M AN 4/9
  Identifying control number that must be unique within the transaction set functional group assigned by the originator for a transaction set
856I4010 (004010) February 18, 2000