§ 51.509   Rate structure standards for specific elements.

   In addition to the general rules set forth in § 51.507, rates for
   specific elements shall comply with the following rate structure rules.

   (a) Local loop and subloop. Loop and subloop costs shall be recovered
   through flat-rated charges.

   (b) Local switching. Local switching costs shall be recovered through a
   combination of a flat-rated charge for line ports and one or more
   flat-rated or per-minute usage charges for the switching matrix and for
   trunk ports.

   (c) Dedicated transmission links. Dedicated transmission link costs
   shall be recovered through flat-rated charges.

   (d) Shared transmission facilities between tandem switches and end
   offices. The costs of shared transmission facilities between tandem
   switches and end offices may be recovered through usage-sensitive
   charges, or in another manner consistent with the manner that the
   incumbent LEC incurs those costs.

   (e) Tandem switching. Tandem switching costs may be recovered through
   usage-sensitive charges, or in another manner consistent with the
   manner that the incumbent LEC incurs those costs.

   (f) Signaling and call-related database services. Signaling and
   call-related database service costs shall be usage-sensitive, based on
   either the number of queries or the number of messages, with the
   exception of the dedicated circuits known as signaling links, the cost
   of which shall be recovered through flat-rated charges.

   (g) Collocation. Collocation costs shall be recovered consistent with
   the rate structure policies established in the Expanded Interconnection
   proceeding, CC Docket No. 91-141.

   (h) Network interface device. An incumbent LEC must establish a price
   for the network interface device when that unbundled network element is
   purchased on a stand-alone basis pursuant to § 51.319(c).

   [ 61 FR 45619 , Aug. 29, 1996, as amended at  68 FR 52306 , Sept. 2, 2003]

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