Article 1 - Telephone Corporations
- Part 660 - General Provisions (§§ 660.0 — 660.3)
- Part 661 - Instructions-general (§§ 661.1 — 661.20)
- Part 662 - Instructions-balance Sheet Accounts (§§ 662.1 — 662.10)
- Part 663 - Instructions-telecommunications Plant Accounts (§§ 663.1 — 663.9)
- Part 664 - Instructions-depreciation And Amortization Accounting (§§ 664.1 — 664.7)
- Part 665 - Instructions-revenue Accounts (§§ 665.1 — 665.13)
- Part 666 - Instructions For Expense Accounts (§§ 666.1 — 666.8)
- Part 667 - Instructions-income Accounts (§§ 667.1 — 667.6)
- Part 668 - Repealed
- Part 669 - Repealed
- Part 675 - Repealed (§ 675.1)
- Part 676 - Repealed (§ 676.1)
- Part 677 - Repealed (§ 677.1)
- Part 678 - Repealed (§ 678.1)
- Part 679 - Repealed
- Part 680 - Repealed (§ 680.1)
- Part 681 - Repealed
- Part 682 - Repealed
- Accounts