Table of Parts
Subpart A—General Information
Sec. 51.1 Basis and purpose.
Sec. 51.3 Applicability to negotiated agreements.
Sec. 51.5 Terms and definitions.
Subpart B—Telecommunications Carriers
Sec. 51.100 General duty.
Subpart C—Obligations of All Local Exchange Carriers
Sec. 51.201 Resale.
Sec. 51.203 Number portability.
Sec. 51.205 Dialing parity: General.
Sec. 51.207 Local dialing parity.
Sec. 51.209 Toll dialing parity.
Sec. 51.213 Toll dialing parity implementation plans.
Sec. 51.215 Dialing parity: Cost recovery.
Sec. 51.217 Nondiscriminatory access: Telephone numbers, operator services,
directory assistance services, and directory listings.
Sec. 51.219 Access to rights of way.
Sec. 51.221 Reciprocal compensation.
Sec. 51.223 Application of additional requirements.
Sec. 51.230 Presumption of acceptability for deployment of an advanced
services loop technology.
Sec. 51.231 Provision of information on advanced services deployment.
Sec. 51.232 Binder group management.
Sec. 51.233 Significant degradation of services caused by deployment of
Subpart D—Additional Obligations of Incumbent Local Exchange Carriers
Sec. 51.301 Duty to negotiate.
Sec. 51.303 Preexisting agreements.
Sec. 51.305 Interconnection.
Sec. 51.307 Duty to provide access on an unbundled basis to network elements.
Sec. 51.309 Use of unbundled network elements.
Sec. 51.311 Nondiscriminatory access to unbundled network elements.
Sec. 51.313 Just, reasonable and nondiscriminatory terms and conditions for
the provision of unbundled network elements.
Sec. 51.315 Combination of unbundled network elements.
Sec. 51.316 Conversion of unbundled network elements and services.
Sec. 51.317 Standards for requiring the unbundling of network elements.
Sec. 51.318 Eligibility criteria for access to certain unbundled network
Sec. 51.319 Specific unbundling requirements.
Sec. 51.320 Assumption of responsibility by the Commission.
Sec. 51.321 Methods of obtaining interconnection and access to unbundled
elements under section 251 of the Act.
Sec. 51.323 Standards for physical collocation and virtual collocation.
Sec. 51.325 Notice of network changes: Public notice requirement.
Sec. 51.327 Notice of network changes: Content of notice.
Sec. 51.329 Notice of network changes: Methods for providing notice.
Sec. 51.331 Notice of network changes: Timing of notice.
Sec. 51.333 Notice of network changes: Short term notice, objections thereto
and objections to retirement of copper loops or copper subloops.
Sec. 51.335 Notice of network changes: Confidential or proprietary
Subpart E—Exemptions, Suspensions, and Modifications of Requirements of
Section 251 of the Act
Sec. 51.401 State authority.
Sec. 51.403 Carriers eligible for suspension or modification under section
251(f)(2) of the Act.
Sec. 51.405 Burden of proof.
Subpart F—Pricing of Elements
Sec. 51.501 Scope.
Sec. 51.503 General pricing standard.
Sec. 51.505 Forward-looking economic cost.
Sec. 51.507 General rate structure standard.
Sec. 51.509 Rate structure standards for specific elements.
Sec. 51.511 Forward-looking economic cost per unit.
Sec. 51.513 Proxies for forward-looking economic cost.
Sec. 51.515 Application of access charges.
Sec. 51.601 Scope of resale rules.
Sec. 51.603 Resale obligation of all local exchange carriers.
Sec. 51.605 Additional obligations of incumbent local exchange carriers.
Sec. 51.607 Wholesale pricing standard.
Sec. 51.609 Determination of avoided retail costs.
Sec. 51.611 Interim wholesale rates.
Sec. 51.613 Restrictions on resale.
Sec. 51.615 Withdrawal of services.
Sec. 51.617 Assessment of end user common line charge on resellers.
Subpart H—Reciprocal Compensation for Transport and Termination of
Sec. 51.701 Scope of transport and termination pricing rules.
Sec. 51.703 Reciprocal compensation obligation of LECs.
Sec. 51.705 Incumbent LECs' rates for transport and termination.
Sec. 51.707 Default proxies for incumbent LECs' transport and termination
Sec. 51.709 Rate structure for transport and termination.
Sec. 51.711 Symmetrical reciprocal compensation.
Sec. 51.713 Bill-and-keep arrangements for reciprocal compensation.
Sec. 51.715 Interim transport and termination pricing.
Sec. 51.717 Renegotiation of existing non-reciprocal arrangements.
Subpart I—Procedures for Implementation of Section 252 of the Act
Sec. 51.801 Commission action upon a state commission's failure to act to
carry out its responsibility under section 252 of the Act.
Sec. 51.803 Procedures for Commission notification of a state commission's
failure to act.
Sec. 51.805 The Commission's authority over proceedings and matters.
Sec. 51.807 Arbitration and mediation of agreements by the Commission
pursuant to section 252(e)(5) of the Act.
Sec. 51.809 Availability of agreements to other telecommunications carriers
under section 252(i) of the Act.
Authority: Sections 1–5, 7, 201–05, 207–09, 218, 225–27, 251–54, 256, 271,
303(r), 332, 48 Stat. 1070, as amended, 1077; 47 U.S.C. 151–55, 157, 201–05,
207–09, 218, 225–27, 251–54, 256, 271, 303(r), 332, 47 U.S.C. 157 note,
unless otherwise noted.
Source: 61 FR 45619, Aug. 29, 1996, unless otherwise noted.
Subpart A—General Information