49 C.F.R. § 1242.02 Common expenses.
Title 49 - Transportation
The Uniform System of Accounts also requires that carriers assign to common expense accounts the remaining expenses, taxes and purchased services which are not solely related to either freight or passenger service. The following instructions govern the separation of common expense accounts between freight and passenger services.
Title 49: Transportation
PART 1242—SEPARATION OF COMMON OPERATING EXPENSES BETWEEN FREIGHT SERVICE AND PASSENGER SERVICE FOR RAILROADS
General
§ 1242.02 Common expenses.