Article 1. Telephone Corporations
- Part 660 General Provisions
- Part 661 Instructions--General
- Part 662 Instructions--Balance Sheet Accounts
- Part 663 Instructions--Telecommunications Plant Accounts
- Part 664 Instructions--Depreciation and Amortization Accounting
- Part 665 Instructions--Revenue Accounts
- Part 666 Instructions for Expense Accounts
- Part 667 Instructions--Income Accounts
- Part 668 (Repealed)
- Part 669 (Repealed)
- Part 675 (Repealed)
- Part 676 (Repealed)
- Part 677 (Repealed)
- Part 678 (Repealed)
- Part 679 (Repealed)
- Part 680 (Repealed)
- Part 681 (Repealed)
- Part 682 (Repealed)
- Accounts