A professional who verifies use of current tariff rates at railroad freight, passenger agent, and ticket offices. Responsibilities include:

• Visits offices and examines records, such as freight bills, to ascertain whether current rates are in use, in accordance with tariff schedules.
• Computes and verifies tariff rates applied, using calculating machine and rate books.
• Issues instructions to agent regarding correction of errors in rates.
• Compiles reports for management, identifying names of agents and locations using incorrect tariffs.