U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
GENERAL
PLANT SPECIFIC OPERATIONS EXPENSES
NETWORK SUPPORT/GENERAL SUPPORT EXPENSES
CENTRAL OFFICE EXPENSES
INFORMATION ORIGINATION/TERMINATION EXPENSES
CABLE AND WIRE FACILITIES EXPENSES
PLANT NONSPECIFIC OPERATIONS EXPENSES
PLANT EXPENSES—OTHER
NETWORK OPERATIONS EXPENSES
DEPRECIATION AND AMORTIZATION EXPENSES
CUSTOMER OPERATIONS EXPENSES
CORPORATE OPERATIONS EXPENSE
OPERATING TAXES
EQUAL ACCESS EXPENSES