Columbia Gas Transmission LLC

Third Revised Volume No. 1

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Effective Date: 04/22/2009, Docket: RP09-468-000, Status: Effective

First Revised Sheet No. 353 First Revised Sheet No. 353

Superseding: Original Sheet No. 353






20.1 In General. Transporter may at any time in its sole discretion selectively discount the rate(s)

applicable to any individual Shipper under the Rate Schedules set forth in Volume No. 1 of this Tariff with

the exception of Rate Schedules FSS-M and ISS-M; provided, however, that such discounted rate(s) shall not be

less than the Minimum Rate(s) for the applicable service as set forth in the currently-effective rate sheets

of this Tariff. If Transporter discounts any rate to any Shipper, Transporter shall file with the Commission

any required reports respecting such adjusted rate. Transporter and Shipper shall enter into a written

agreement describing the terms of any such discounting of Shipper's rate(s).


20.2 Apportionment of Discounts. For each transaction discounted pursuant to this provision, the amount of

the discount (the difference between the maximum rate otherwise applicable to the transaction and the total

rate to be billed) shall be apportioned among the components of the rate in the following order: (1) the Base

Tariff Rate, and the Current Operational TCRA Rate and Operational TCRA Surcharge collected pursuant to

Section 36 of the General Terms and Conditions, on a pro rata basis; and (2) the Electric Power Costs

Adjustment (EPCA) charges, the Current Stranded TCRA Rate and the Stranded TCRA Surcharge collected pursuant

to Section 36 of the General Terms and Conditions, on a pro rata basis.


20.3 Allocation or Interruption. To the extent that Transporter allocates or interrupts service rights

based upon price, as set forth in Section 7 (Capacity Allocation) and Section 16 (Interruptions of Service) of

the General Terms and Conditions, the price utilized by Transporter for such purposes, where rates for service

have been discounted by Transporter, shall be Shipper's discounted rate for the service.


20.4 Refunds. If the rates charged Shipper exceed the rates ultimately approved by the Commission, any

required refund shall be made based on the amount by which the rate actually collected from Shipper exceeds

the rate approved by the Commission. This provision will not apply to rates charged under Rate Schedules FSS-

M or ISS-M.