AC       Advanced Charges
AM       Amount Collected
CH       Charge Minimum And Maximum Specifications
HA       Half Hour
HR       Hour
HU       Hundredweight
II       Long Ton
MA       Man-hour (Monday Through Friday, 8 AM to 5 PM)
MH       Man-hour (Saturdays)
MI       Miles
MN       Man-hour (Monday Through Friday, 5 PM to 8 AM)
NO       Notification
PA       Package
RB       Rate Basis
SE       Seal
SH       Shipment
ST       Stop
TN       Ton
VE       Vehicle