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.
§ 51.332 - Notice of network changes: Copper retirement.
§ 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.