id	description	section	req	max_loop	max_usage	pos
BSS	Beginning Segment For Shipping Schedule/Production Sequence	H	M	0	1	1
UIT	Unit Detail	H	O	0	1	2
N1	Party Identification	H	O	999999	1	3
N2	Additional Name Information	H	O	0	2	4
N3	Party Location	H	O	0	1	5
N4	Geographic Location	H	O	0	1	6
REF	Reference Information	H	O	0	12	7
PER	Administrative Communications Contact	H	O	0	3	8
FOB	F.O.B. Related Instructions	H	O	0	1	9
DTM	Date/Time Reference	H	M	100	1	10
UIT	Unit Detail	H	O	0	1	11
QTY	Quantity Information	H	O	0	1	12
REF	Reference Information	H	O	0	999999	13
LIN	Item Identification	H	O	999999	1	14
REF	Reference Information	H	O	0	999999	15
QTY	Quantity Information	H	O	0	1	16
PID	Product/Item Description	H	O	0	1	17
OQS	Order Quantity Sequence	H	O	0	1	18
SLN	Subline Item Detail	H	O	100	1	19
N1	Party Identification	H	O	0	1	20
N2	Additional Name Information	H	O	0	1	21
N3	Party Location	H	O	0	1	22
N4	Geographic Location	H	O	0	1	23
REF	Reference Information	H	O	0	1	24
PER	Administrative Communications Contact	H	O	0	1	25
PID	Product/Item Description	H	O	999999	1	26
QTY	Quantity Information	H	O	0	1	27
MEA	Measurements	H	O	0	10	28
CTT	Transaction Totals	H	M	0	1	29