This X12 Transaction Set contains the format and establishes the data contents of the Rail Industrial Switch List Transaction Set (423) for use within the context of an Electronic Data Interchange (EDI) environment. The transaction set is intended solely for producing switch lists and equipment notifications. It is not for recording release times and the ordering of empty equipment. It is also to provide switching information agreed to between customer and carrier to show car identity, placement, pull and destination information.

Table 1
	pos.no	seg.id	name	req.des	max	loop.rep
	0100	ST	Transaction Set Header	M	1
	0150	BGN	Beginning Segment	M	1
	0200	DTM	Date/Time Reference	O	3
	0230	LQ	Industry Code Identification	O	1
	0260	QTY	Quantity Information	O	3
	LOOP ID - N1					5
	0300	N1	Party Identification	M	1
	0400	N2	Additional Name Information	O	1
	0500	N3	Party Location	O	1
	0600	N4	Geographic Location	O	1
	0700	PER	Administrative Communications Contact	O	1
	LOOP ID - LX					150
	0800	LX	Transaction Set Line Number	O	1
	0900	XD	Placement/Pull Data	O	1
	LOOP ID - N7					500
	1000	N7	Equipment Details	O	1
	1020	YNQ	Yes/No Question	O	10
	1030	DTM	Date/Time Reference	O	10
	1050	XD	Placement/Pull Data	O	1
	1060	R2	Route Information	O	1
	1080	N1	Party Identification	O	1
	1090	N4	Geographic Location	O	1
	1100	L5	Description, Marks and Numbers	O	5
	1200	D9	Destination Station	O	1
	1300	F9	Origin Station	O	1
	1310	PER	Administrative Communications Contact	O	2
	1320	LH2	Hazardous Classification Information	O	2
	1330	LH6	Hazardous Certification	O	6
	1350	QTY	Quantity Information	O	2
	1370	N9	Extended Reference Information	O	10
	LOOP ID - LH1					1000
	1500	LH1	Hazardous Identification Information	O	1
	1600	LH2	Hazardous Classification Information	O	4
	1700	LH3	Hazardous Material Shipping Name Information	O	10
	1800	LFH	Free-form Hazardous Material Information	O	20
	1900	LEP	EPA Required Data	O	3
	2000	LH4	Canadian Dangerous Requirements	O	4
	2100	LHT	Transborder Hazardous Requirements	O	3
	2200	LHR	Hazardous Material Identifying Reference Numbers	O	5
	2300	PER	Administrative Communications Contact	O	5
	LOOP ID - N1					10
	2320	N1	Party Identification	O	1
	2340	N3	Party Location	O	2
	2360	N4	Geographic Location	O	1
	2380	PER	Administrative Communications Contact	O	2
	3000	SE	Transaction Set Trailer	M	1