20:10:29:34Apportionment of plant-specific operations

expenses in accounts 6310 and 6410. Plant-specific operations expenses in accounts 6310 and 6410, excluding expenses incurred to provision pay telephone service, are assigned to the applicable investment category and are apportioned among the interexchange category, the special access category, and switched access elements in the same proportions as the total associated investment.

Source: 19 SDR 111, effective January 31, 1993; 25 SDR 89, effective December 27, 1998.