id	description	section	req	max_loop	max_usage	pos
BGN	Beginning Segment	H	M	0	1	1
N1	Party Identification	H	M	0	2	2
REF	Reference Information	H	M	0	2	3
QTY	Quantity Information	H	M	0	2	4
SUM	Academic Summary	H	O	0	1	5
IN2	Individual Name Structure Components	H	M	0	1	6