id	description	section	req	max_loop	max_usage	pos
BGN	Beginning Segment	H	M	0	1	1
TRN	Trace	H	O	0	1	2
DTP	Date Or Time Or Period	H	O	0	1	3
N1	Party Identification	H	O	5	1	4
N2	Additional Name Information	H	O	0	1	5
N3	Party Location	H	O	0	2	6
N4	Geographic Location	H	O	0	1	7
REF	Reference Information	H	O	0	3	8
PER	Administrative Communications Contact	H	O	0	2	9
N9	Extended Reference Information	D	M	999999	1	10
DEX	Delivery Execution Information	D	M	999999	1	11
REF	Reference Information	D	M	0	15	12
CN1	Contract Information	D	O	0	1	13
PCT	Percent Amounts	D	O	0	10	14
INT	Interest	D	O	0	10	15
AMT	Monetary Amount Information	D	O	0	4	16
QTY	Quantity Information	D	O	0	5	17
MPP	Mortgage Pool Program	D	O	0	1	18
DTP	Date Or Time Or Period	D	O	0	10	19
III	Information	D	O	0	15	20
ASM	Amount And Settlement Method	D	O	999999	1	21
N1	Party Identification	D	O	0	1	22
REF	Reference Information	D	O	0	5	23
NM1	Individual Or Organizational Name	D	M	999999	1	24
LX	Transaction Set Line Number	D	M	999999	1	25
REF	Reference Information	D	O	0	15	26
AMT	Monetary Amount Information	D	O	0	20	27
DTP	Date Or Time Or Period	D	O	0	5	28
YNQ	Yes/No Question	D	O	0	10	29
QTY	Quantity Information	D	O	0	5	30
N1	Party Identification	D	O	0	6	31
III	Information	D	O	0	50	32
LUC	Loan Underwriting	D	O	0	1	33
RLD	Down Payment Data	D	O	0	50	34
INT	Interest	D	O	0	6	35
PPD	Payment Pattern Details	D	O	0	1	36
PWK	Paperwork	D	O	0	2	37
BUY	Loan Buydown	D	O	0	1	38
PEX	Property Or Housing Expense	D	O	0	10	39
BEP	Borrower Education Program	D	O	0	2	40
IGI	Insurer Or Guarantor Information	D	O	999999	1	41
REF	Reference Information	D	O	0	1	42
PCT	Percent Amounts	D	O	0	10	43
NX1	Property Or Entity Identification	D	O	999999	1	44
NX2	Location Id Component	D	O	0	15	45
REA	Real Estate Property Information	D	O	0	1	46
PDS	Property Description/Legal Description	D	O	0	2	47
LN1	Loan Specific Data	D	O	5	1	48
YNQ	Yes/No Question	D	O	0	1	49
DTP	Date Or Time Or Period	D	O	0	5	50
REF	Reference Information	D	O	0	10	51
CRC	Conditions Indicator	D	O	999999	1	52
IN1	Individual Identification	D	O	0	1	53
IN2	Individual Name Structure Components	D	O	0	30	54
DMG	Demographic Information	D	O	0	1	55
QTY	Quantity Information	D	O	0	10	56
N1	Party Identification	D	O	0	1	57
YNQ	Yes/No Question	D	O	0	5	58
AIN	Income	D	O	0	10	59
AMT	Monetary Amount Information	D	O	0	15	60
SCM	Credit Score Model	D	O	999999	1	61
SCS	Credit Score	D	O	0	5	62
PAM	Period Amount	D	O	4	1	63
YNQ	Yes/No Question	D	M	0	1	64
REF	Reference Information	D	M	0	1	65
UWI	Underwriting Information	D	O	5	1	66
III	Information	D	O	0	10	67
REF	Reference Information	D	O	0	1	68
MSG	Message Text	D	O	0	999999	69
CTT	Transaction Totals	S	O	0	1	70