49 C.F.R. § 1248.2
(a) The following items are to be reported quarterly and annually by class I railroads:
(2) For each commodity code used in reporting, except that the number of carloads for commodity code 431, “Small packaged freight shipments,” shall be omitted, the following items:
Revenue freight originating on respondent's road: Terminating on line: Number of carloads. Number of tons (2,000 pounds). Delivered to connecting rail carriers. Number of carloads. Number of tons (2,000 pounds). Revenue freight received from connecting rail carriers: Terminating on line: Number of carloads. Number of tons (2,000 pounds). Delivered to connecting rail carriers: Number of carloads. Number of tons (2,000 pounds). Total revenue freight carried: Number of carloads. Number of tons (2,000 pounds). Gross freight revenue.
[32 FR 20466, Dec. 20, 1967, as amended at 47 FR 6880, Feb. 17, 1982]