§  36.125   Local switching equipment--Category 3.

   (a) Local switching equipment is included in accounts 2210, 2211, and
   2212. It comprises all central office switching equipment not assigned
   other categories. Examples of local switching equipment are basic
   switching train, toll connecting trunk equipment, interlocal trunks,
   tandem trunks, terminating senders used for toll completion, toll
   completing train, call reverting equipment, weather and time of day
   service equipment, and switching equipment at electronic analog or
   digital remote line locations. Equipment used for the identification,
   recording and timing of customer dialed charge traffic, or switched
   private line traffic ( e.g. transmitters, recorders, call identity
   indexers, perforators, ticketers, detectors, mastertimes) switchboards
   used solely for recording of calling telephone numbers in connection
   with customer dialed charge traffic, or switched private line traffic
   (or both) is included in this local switching category. Equipment
   provided and used primarily for operator dialed toll or customer dialed
   charge traffic except such equipment included in Category 2 Tandem
   Switching Equipment is also included in this local switching category.
   This includes such items as directors translators, sender registers,
   out trunk selectors and facilities for toll intercepting and digit
   absorption. Special services switching equipment which primarily
   performs the switching function for special services ( e.g. switching
   equipment, TWX concentrators and switchboards) is also included in this
   local switching category.

   (1) Local office, as used in §  36.125, comprises one or more local
   switching entities of the same equipment type (e.g., step-by-step, No.
   5 Crossbar) in an individual location. A local switching entity
   comprises that local central office equipment of the same type which
   has a common intermediate distributing frame, market group or other
   separately identifiable switching unit serving one or more prefixes
   (NNX codes).

   (2) A host/remote local switching complex is composed of an electronic
   analog or digital host office and all of its remote locations. A
   host/remote local switching complex is treated as one local office. The
   current jurisdictional definition of an exchange will apply.

   (3) Dial equipment minutes of use (DEM) is defined as the minutes of
   holding time of the originating and terminating local switching
   equipment. Holding time is defined in the Glossary.

   (4) The interstate allocation factor is the percentage of local
   switching investment apportioned to the interstate jurisdiction.

   (5) The interstate DEM factor is the ratio of the interstate DEM to the
   total DEM. A weighted interstate DEM factor is the product of
   multiplying a weighting factor, as defined in paragraph (f) of this
   section, to the interstate DEM factor. The state DEM factor is the
   ratio of the state DEM to the total DEM.

   (b) Beginning January 1, 1993, Category 3 investment for study areas
   with 50,000 or more access lines is apportioned to the interstate
   jurisdiction on the basis of the interstate DEM factor. Category 3
   investment for study areas with 50,000 or more access lines is
   apportioned to the state jurisdiction on the basis of the state DEM
   factor.

   (c)-(e) [Reserved]

   (f) Beginning January 1, 1998, for study areas with fewer than 50,000
   access lines, Category 3 investment is apportioned to the interstate
   jurisdiction by the application of an interstate allocation factor that
   is the lesser of either .85 or the sum of the interstate DEM factor
   specified in paragraph (a)(5) of this section, and the difference
   between the 1996 interstate DEM factor and the 1996 interstate DEM
   factor multiplied by a weighting factor as determined by the table
   below. The Category 3 investment that is not assigned to the interstate
   jurisdiction pursuant to this paragraph is assigned to the state
   jurisdiction.
   Number of access lines in service in study area Weighting
   factor
   0-10,000 3.0
   10,001-20,000 2.5
   20,001-50,000 2.0
   50,001-or above 1.0

   (g) For purposes of this section, an access line is a line that does
   not include WATS access lines, special access lines or private lines.

   (h) Effective July 1, 2001, through June 30, 2014, study areas subject
   to price cap regulation, pursuant to §  61.41 of this chapter, shall
   assign the average balances of Accounts 2210, 2211, and 2212 to
   Category 3, Local Switching Equipment, based on the relative percentage
   assignment of the average balances of Account 2210, 2211, 2212, and
   2215 to Category 3, during the twelve month period ending December 31,
   2000.

   (i) Effective July 1, 2001, through June 30, 2014, all study areas
   shall apportion costs in Category 3, Local Switching Equipment, among
   the jurisdictions using relative dial equipment minutes of use for the
   twelve month period ending December 31, 2000.

   (j) If the number of a study area's access lines increases such that,
   under §  36.125(f), the weighted interstate DEM factor for 1997 or any
   successive year would be reduced, that lowered weighted interstate DEM
   factor shall be applied to the study area's 1996 unweighted interstate
   DEM factor to derive a new local switching support factor. If the
   number of a study area's access lines decreases or has decreased such
   that, under §  36.125(f), the weighted interstate DEM factor for 2010
   or any successive year would be raised, that higher weighted interstate
   DEM factor shall be applied to the study area's 1996 unweighted
   interstate DEM factor to derive a new local switching support factor.

   [ 52 FR 17229 , May 6, 1987, as amended at  53 FR 33011 , 33012, Aug. 29,
   1988;  62 FR 32946 , June 17, 1997;  63 FR 2124 , Jan. 13, 1998;  66 FR 33205 , June 21, 2001;  69 FR 12549 , Mar. 17, 2004;  71 FR 65745 , Nov. 9,
   2006;  75 FR 17874 , Apr. 8, 2010;  75 FR 30301 , June 1, 2010;  76 FR 30841 , May 27, 2011]

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