Dominion Transmission, Inc.

Third Revised Volume No. 1

Effective Date: 09/01/2001, Docket: RP00-344-001, Status: Effective

Second Revised Sheet No. 1501 Second Revised Sheet No. 1501 : Effective

Superseding: First Revised Sheet No. 1501

GENERAL TERMS AND CONDITIONS

Imbalance Netting and Trading

Imbalances shall remain in effect unless

cancelled by Customer, in writing or through

electronic means by the Customer.

E. Customers may trade Monthly Imbalances through

the seventeenth Business Day after the end of the

month during which the imbalance occurred. Such

trades must be confirmed by the close of business on

the seventeenth (17th) Business Day. Customer

initiating the trade shall post on the Pipeline's EBB

the particulars of the imbalance trade, which shall

include the specified quantity and the affected

parties. Within one hour of receiving such

notification, Pipeline shall send via its EBB such

notification to all affected parties. Confirming

trader(s) shall confirm the trade to Pipeline via the

Pipeline's EBB. Within one hour of receiving such

confirmation notification, Pipeline shall via its EBB

notify all affected parties of such confirmation. The

party initiating the trade may withdraw the imbalance

trade prior to the confirming trader's confirmation of

the trade. Imbalance trades will be final when

confirmed by the confirming trader and effectuated by

Pipeline. F. Nothing in this Section 40 shall be

interpreted to allow any shipper to create an

imbalance on Pipeline's system, nor shall this Section

40 excuse a shipper from nominating and confirming

service quantities as required by Section 11A of the

General Terms and Conditions.