Regulations last checked for updates: Jan 18, 2025

Title 49 - Transportation last revised: Jan 16, 2025

LIST OF INSTRUCTIONS
GENERAL
OPERATING EXPENSES—WAY AND STRUCTURES
OPERATING EXPENSES—EQUIPMENT
OPERATING EXPENSES—TRANSPORTATION
OPERATING EXPENSES
authority: 49 U.S.C. 1321,11142
source: 43 FR 7637, Feb. 24, 1978, unless otherwise noted.