StacksVerified U.S. regulatory reference

47 CFR §69.409

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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).