EDI 270–5010 Documentation - ST – Transaction Set Header

ST – Transaction Set Header

Loop	Seg ID	Segment Name	Format	Length	Ref#	Req	Value
Header	ST	Transaction Set Header		2		R	ST
		Element Separator	AN	1			*
	ST01	Transaction set Identifier	ID	3/3	143	R	270
		Element Separator	AN	1			*
	ST02	Transaction set Control Number	AN	4/9	329	R	See below for more information And must be identical to SE02
		Element Separator	AN	1			*
	ST03	Implementation Convention Reference	AN	1/35		O	005010X279A1
		Segment Terminator					~

Sample :
ST*270*0001*005010X279A1~

ST02 – Transaction Set control Number
Just for tracking purpose, Software should generate unique EDI File Batch Number.