Chapter 25-4 - TELEPHONE COMPANIES
- Part I - GENERAL PROVISIONS (§§ 25-4.002 — 25-4.007)
- Part II - RECORDS AND REPORTS (§§ 25-4.0161 — 25-4.024)
- Part III - GENERAL MANAGEMENT REQUIREMENTS (§§ 25-4.034 — 25-4.046)
- Part IV - CLASSIFICATION OF TELEPHONE EXCHANGES AND EXTENDED AREA SERVICE (§§ 25-4.053 — 25-4.064)
- Part V - GENERAL SERVICE PROVISIONS (§§ 25-4.066 — 25-4.085)
- Part VI - TELEPHONE UNDERGROUND EXTENSIONS (§§ 25-4.088 — 25-4.097)
- Part VII - CUSTOMER RELATIONS (§§ 25-4.107 — 25-4.119)
- Part IX - ACCOUNTING AND REVENUE REQUIREMENTS (§§ 25-4.135 — 25-4.141)
- Part X - TELECOMMUNICATIONS ACCESS SYSTEM (§§ 25-4.150 — 25-4.160)
- Part XI - STREAMLINED REGULATORY PROCEDURES FOR SMALL LECS (§§ 25-4.200 — 25-4.520)