Sec. 61.46  Adjustments to the API.

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    (d) In connection with any price cap tariff proposing changes to 
rates for services in the basket designated in Sec. 61.42(d)(1), the 
maximum allowable carrier common line (CCL) charges shall be computed 
pursuant to the following methodology:

CCLMOU= CLMOU* (1+% change in CL 
PCI)-EUCLMOU* 1/ (1+(g/2))


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where
CCLMOU= The sum of each of the proposed Carrier Common Line 
rates multiplied by its corresponding base period Carrier Common Line 
minutes of use, divided by the sum of all types of base period Carrier 
Common Line minutes of use,
CLMOU= The sum of each of the existing maximum allowable 
Carrier Common Line rates multiplied by its corresponding base period 
Carrier Common Line minutes of use plus each existing End User Common 
Line (EUCL) rate multiplied by its corresponding base period lines, 
divided by the sum of all types of base period Carrier Common Line 
minutes of use,
EUCLMOU= Proposed End User Line rates multiplied by base 
period lines and divided by the sum of all types of base period Carrier 
Common Line minutes of use, and
g= The ratio of minutes of use per access line during the base period to 
minutes of use per access line during the previous base period, minus 1.

    (e) In addition, for the purposes of Sec. 61.46(d), ``Existing 
Carrier Common Line Rates'' shall include existing originating premium, 
originating non-premium, terminating premium, and terminating non-
premium rates; and ``End User Common Line Rates'' used to calculate the 
CLMOU and the EUCLMOU factors shall include, but 
not be limited to, Residential and Single Line Business rates, Multi-
Line Business rates, Centrex rates, Limited Pay Telephone Rates, and the 
Special Access surcharge.

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