id description section req max_loop max_usage pos PUN Beginning Segment For Motor Carrier Pickup Notification H M 0 1 1 G61 Contact H O 0 1 2 TEM Pickup Totals H O 0 1 3 PRF Purchase Order Reference H O 0 999999 4 AT5 Bill Of Lading Handling Requirements H O 0 10 5 K2 Administrative Message H O 0 1 6 N1 Party Identification H M 2 1 7 N2 Additional Name Information H O 0 1 8 N3 Party Location H O 0 2 9 N4 Geographic Location H O 0 1 10