47 C.F.R. § 69.409 Corporate operations expenses (included in Account 6720).
Title 47 - Telecommunication
All corporate operations expenses shall be apportioned among the interexchange category, the billing and collection category and all access elements in accordance with the Big 3 Expense Factor as defined in §69.2(f).
Title 47: Telecommunication
PART 69—ACCESS CHARGES
Subpart E—Apportionment of Expenses
§ 69.409 Corporate operations expenses (included in Account 6720).

