A professional who compiles and computes freight and passenger charges payable to participating carriers on interline business. Responsibilities include:

• Examines waybills and ticket sales records to compute number of miles each carrier transported freight or passengers.
• Computes freight or passenger charges payable to each carrier, using basic rates from rate table and calculating machine.
• Records results of calculations on special forms.
• Reviews statements submitted by other companies to determine if portion of charges received is correct.
• May distribute, to appropriate airlines, revenue from passengers traveling on more than one carrier on through passage and be designated Passenger-Interline Clerk.
• May compile records of daily freight car rental fees due to other carriers and be designated Per Diem Clerk.