Class I carriers, either individually or through AAR, shall annually file tare weight data, as detailed in the Annual Report of Tare Weight Data, with the Surface Transportation Board's Office of Economics no later than May 31 of each year. Forms and instructions are available at www.stb.gov and may also be obtained by contacting the Office of Economics.

Class I carriers, either individually or through AAR, shall annually file loss and damage data, as detailed in the Annual Report of Loss and Damage Data, with the Surface Transportation Board's Office of Economics no later than May 31 of each year. Forms and instructions are available at www.stb.gov and may also be obtained by contacting the Office of Economics.