id	description	section	req	max_loop	max_usage	pos
V1	Vessel Identification	H	M	999	1	1
MBL	Bill Of Lading	H	O	0	1	2
G1	Shipment Type Information	H	O	0	1	3
N9	Extended Reference Information	H	O	0	999	4
VC	Motor Vehicle Control	H	O	0	9999	5
N7	Equipment Details	H	O	999	1	6
VC	Motor Vehicle Control	H	O	0	9	7
R4	Port Or Terminal	H	M	4	1	8
DTM	Date/Time Reference	H	O	0	1	9