18 C.F.R. § 154.313
(e) Composition of schedules for minor rate changes.
(9) Schedule G. Revenues and Billing Determinants.
(i) Show in summary format the information requested below on revenues and billing determinants for the base period and the base period as adjusted. Schedule G must be submitted to all customers of the pipeline that received service during the base period or are expected to receive service during the base period as adjusted and on State commissions having jurisdiction over the affected customers.
(ii) Schedule G-1 must be filed at the Commission and on all state commissions having jurisdiction over the affected customers within 15 days after the rate case is filed. Schedule G-1 must also be served on parties that request such service within 15 days of the filing of the rate case.
(A) Schedule G-1. Adjustment Period Revenues.
(1) Show revenues and billing determinants by month, by customer name, by rate schedule, by major rate component (e.g., reservation charges) and totals for the base period adjusted for known and measurable changes which are expected to occur within the adjustment period computed under the rates expected to be charged. Show commodity billing determinants by rate schedule. Billing determinants must not be adjusted for discounting. Provide projected throughput (i.e., usage or commodity quantities, unadjusted for discounting) and projected contract demand levels (unadjusted for discounting). Separate operating revenues from revenues received from surcharges or other sources (e.g., ACA, GRI, transition costs). Identify customers who are affiliates. Identify rate schedules under which costs are allocated and rate schedules under which revenues are credited for the adjustment period with cross-references to the other filed statements and schedules.
(2) Provide a reconciliation of the base period revenues and billing determinants and the revenues and billing determinants for the base period as adjusted.