Zones.
18 C.F.R. § 154.310
in effectEffective: 2024-07-01If 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.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-18.xmlFetched: 7/26/2026
