20:10:28:99Network operations expenses, account 6530 -- Included expenses -- Apportionment of expenses.

Account 6530, network operations expenses, includes the expenses associated with the provisions of power, network administration, testing, plant operations administration, and engineering. The expenses in this account are apportioned among the operations based on the separations of account 2210, central office switching; account 2220, operator systems; account 2230, central office transmission; account 2310, information origination/termination; and account 2410, cable and wire facilities, combined.

Source: 19 SDR 111, effective January 31, 1993.