This X12 Transaction Set contains the format and establishes the data contents of the Rail Advance Interchange Consist Transaction Set (418) for use within the context of an Electronic Data Interchange (EDI) environment. The transaction set can be used to transmit advance information on equipment being interchanged to a connection rail carrier, from a consignor or to a consignee.

Table 1
	pos.no	seg.id	name	req.des	max	loop.rep
	0100	ST	Transaction Set Header	M	1
N	0200	BAX	Beginning Segment for Advance Consist and Transportation Automatic Equipment ID	M	1
	LOOP ID - W1					30
	0300	W1	Block Identification	M	1
	LOOP ID - W2					400
	0400	W2	Equipment Identification	M	1
	0500	W3	Consignee Information	O	7
	0600	IMA	Interchange Move Authority	O	3
	0700	W4	Consignor Information	O	1
	0800	W5	Carrier and Route Information	O	4
	0900	W6	Special Handling Information	O	6
	1000	PS	Protective Service Instructions	O	5
	1100	REF	Reference Information	O	10
	1200	LS	Loop Header	O	1
	LOOP ID - LH1					1000
	1300	LH1	Hazardous Identification Information	O	1
N	1400	LH2	Hazardous Classification Information	O	4
	1500	LH3	Hazardous Material Shipping Name Information	O	10
	1600	LFH	Free-form Hazardous Material Information	O	20
	1700	LEP	EPA Required Data	O	3
	1800	LH4	Canadian Dangerous Requirements	O	4
	1900	LHT	Transborder Hazardous Requirements	O	3
	2000	LHR	Hazardous Material Identifying Reference Numbers	O	5
	2050	PER	Administrative Communications Contact	O	5
	LOOP ID - N1					10
	2060	N1	Party Identification	O	1
	2070	N3	Party Location	O	2
	2080	N4	Geographic Location	O	1
	2090	PER	Administrative Communications Contact	O	2
	2100	LE	Loop Trailer	O	1
	2200	PER	Administrative Communications Contact	O	5
N	2300	LH2	Hazardous Classification Information	O	1
	2400	LHR	Hazardous Material Identifying Reference Numbers	O	1
	2500	SE	Transaction Set Trailer	M	1