Regulations last checked for updates: Apr 04, 2025

Title 47 - Telecommunication last revised: Mar 26, 2025

GENERAL
PLANT SPECIFIC OPERATIONS EXPENSES
NETWORK SUPPORT/GENERAL SUPPORT EXPENSES
CENTRAL OFFICE EXPENSES
INFORMATION ORIGINATION/TERMINATION 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
source: 52 FR 17229, May 6, 1987, unless otherwise noted.