StacksVerified U.S. regulatory reference

18 CFR §154.310

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
If the company maintains records of costs by zone, and proposes a zone rate methodology based on these costs, the statements and schedules in § 154.312 and § 154.313 must reflect costs detailed by zone.