Contents

   Subpart A—General Information
   § 51.1   Basis and purpose.
   § 51.3   Applicability to negotiated agreements.
   § 51.5   Terms and definitions.

   Subpart B—Telecommunications Carriers
   § 51.100   General duty.

   Subpart C—Obligations of All Local Exchange Carriers
   § 51.201   Resale.
   § 51.203   Number portability.
   § 51.205   Dialing parity: General.
   § 51.207   Local dialing parity.
   § 51.217   Nondiscriminatory access: Telephone numbers, operator
   services, directory assistance services, and directory listings.
   § 51.219   Access to rights of way.
   § 51.221   Reciprocal compensation.
   § 51.223   Application of additional requirements.
   § 51.230   Presumption of acceptability for deployment of an advanced
   services loop technology.
   § 51.231   Provision of information on advanced services deployment.
   § 51.232   Binder group management.
   § 51.233   Significant degradation of services caused by deployment of
   advanced services.

   Subpart D—Additional Obligations of Incumbent Local Exchange Carriers
   § 51.301   Duty to negotiate.
   § 51.303   Preexisting agreements.
   § 51.305   Interconnection.
   § 51.307   Duty to provide access on an unbundled basis to network
   elements.
   § 51.309   Use of unbundled network elements.
   § 51.311   Nondiscriminatory access to unbundled network elements.
   § 51.313   Just, reasonable and nondiscriminatory terms and conditions
   for the provision of unbundled network elements.
   § 51.315   Combination of unbundled network elements.
   § 51.316   Conversion of unbundled network elements and services.
   § 51.317   Standards for requiring the unbundling of network elements.
   § 51.318   Eligibility criteria for access to certain unbundled network
   elements.
   § 51.319   Specific unbundling requirements.
   § 51.320   Assumption of responsibility by the Commission.
   § 51.321   Methods of obtaining interconnection and access to unbundled
   elements under section 251 of the Act.
   § 51.323   Standards for physical collocation and virtual collocation.
   § 51.325   Notice of network changes: Public notice requirement.
   § 51.327   Notice of network changes: Content of notice.
   § 51.329   Notice of network changes: Methods for providing notice.
   § 51.331   Notice of network changes: Timing of notice.
   § 51.333   Notice of network changes: Short term notice, objections
   thereto and objections to copper retirement notices.
   § 51.335   Notice of network changes: Confidential or proprietary
   information.

   Subpart E—Exemptions, Suspensions, and Modifications of Requirements of
   Section 251 of the Act
   § 51.401   State authority.
   § 51.403   Carriers eligible for suspension or modification under
   section 251(f)(2) of the Act.
   § 51.405   Burden of proof.

   Subpart F—Pricing of Elements
   § 51.501   Scope.
   § 51.503   General pricing standard.
   § 51.505   Forward-looking economic cost.
   § 51.507   General rate structure standard.
   § 51.509   Rate structure standards for specific elements.
   § 51.511   Forward-looking economic cost per unit.
   § 51.513   Proxies for forward-looking economic cost.
   § 51.515   Application of access charges.

   Subpart G—Resale
   § 51.601   Scope of resale rules.
   § 51.603   Resale obligation of all local exchange carriers.
   § 51.605   Additional obligations of incumbent local exchange carriers.
   § 51.607   Wholesale pricing standard.
   § 51.609   Determination of avoided retail costs.
   § 51.611   Interim wholesale rates.
   § 51.613   Restrictions on resale.
   § 51.615   Withdrawal of services.
   § 51.617   Assessment of end user common line charge on resellers.

   Subpart H—Reciprocal Compensation for Transport and Termination of
   Telecommunications Traffic
   § 51.700   Purpose of this subpart.
   § 51.701   Scope of transport and termination pricing rules.
   § 51.703   Non-Access reciprocal compensation obligation of LECs.
   § 51.705   LECs' rates for transport and termination.
   § 51.707   [Reserved]
   § 51.709   Rate structure for transport and termination.
   § 51.711   Symmetrical reciprocal compensation.
   § 51.713   Bill-and-keep arrangements.
   § 51.715   Interim transport and termination pricing.
   § 51.717   [Reserved]

   Subpart I—Procedures for Implementation of Section 252 of the Act
   § 51.801   Commission action upon a state commission's failure to act to
   carry out its responsibility under section 252 of the Act.
   § 51.803   Procedures for Commission notification of a state
   commission's failure to act.
   § 51.805   The Commission's authority over proceedings and matters.
   § 51.807   Arbitration and mediation of agreements by the Commission
   pursuant to section 252(e)(5) of the Act.
   § 51.809   Availability of agreements to other telecommunications
   carriers under section 252(i) of the Act.

   Subpart J—Transitional Access Service Pricing
   § 51.901   Purpose and scope of transitional access service pricing
   rules.
   § 51.903   Definitions.
   § 51.905   Implementation.
   § 51.907   Transition of price cap carrier access charges.
   § 51.909   Transition of rate-of-return carrier access charges.
   § 51.911   Access reciprocal compensation rates for competitive LECs.
   § 51.913   Transition for VoIP-PSTN traffic.
   § 51.914   Additional provisions applicable to Access Stimulation
   traffic.
   § 51.915   Recovery mechanism for price cap carriers.
   § 51.917   Revenue recovery for Rate-of-Return Carriers.
   § 51.919   Reporting and monitoring.