id	definition
AL	Advance Loading
CL	Complete
CN	Consolidate
CU	Complete Unload
DR	Deramp and Ramp for Subsequent Loading
DT	Drop Trailer
HT	Heat the Shipment
IN	Inspection
LD	Load
LE	Spot for Load Exchange (Export)
PA	Pick-up Pre-loaded Equipment
PL	Part Load
PU	Part Unload
RT	Retrieval of Trailer
SL	Spot for Load
SU	Spot for Unload
TL	Transload
UL	Unload
WL	Weigh Loaded