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.
   §  51.209   Toll dialing parity.
   §  51.213   Toll dialing parity implementation plans.
   §  51.215   Dialing parity: Cost recovery.
   §  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 retirement of copper loops or copper
   subloops.
   §  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

   §  51.701   Scope of transport and termination pricing rules.
   §  51.703   Reciprocal compensation obligation of LECs.
   §  51.705   Incumbent LECs' rates for transport and termination.
   §  51.707   Default proxies for incumbent LECs' transport and
   termination rates.
   §  51.709   Rate structure for transport and termination.
   §  51.711   Symmetrical reciprocal compensation.
   §  51.713   Bill-and-keep arrangements for reciprocal compensation.
   §  51.715   Interim transport and termination pricing.
   §  51.717   Renegotiation of existing non-reciprocal arrangements.

     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.
   ___________________________________

   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