Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 10/01/2002, Docket: RP02-483-000, Status: Effective

Third Revised Sheet No. 244 Third Revised Sheet No. 244 : Effective

Superseding: Second Revised Sheet No. 244

GENERAL TERMS AND CONDITIONS (Continued)

15. BALANCING AND NOMINATION VARIANCE PROCEDURES (Continued)

15.2 Shipper and Transporter shall manage receipts and deliveries so

that imbalances shall be kept as near zero as practicable on a Service

Agreement basis. Provided, however, that nothing herein shall limit

Transporter's right to take actions of whatever nature as may be

required to correct imbalances which threaten the integrity of its

system, including maintenance of service to other Shippers.

15.3 Notification: Transporter shall render to Shipper(s) or

otherwise responsible party(ies) a statement of imbalance(s) on or

before the ninth (9th) business day of the month following the month

during which such imbalance(s) was created. Shipper(s) may at any time

request from Transporter point-specific information associated with

Shipper(s) Service Agreement(s). Transporter will provide such

information on a best-efforts basis.

15.4 Imbalance Resolution:

15.4.1 Transporter shall allow Shipper(s) until the end of

the month following the month an imbalance was created to clear

such imbalance in accordance with Subsections 15.6, 15.7 and

15.12. Transporter and Shipper shall cash-out any imbalances

not cleared by Shipper(s) by the end of the month following the

month such imbalance was created in accordance with Subsection

15.5.

15.4.2 Nothing in this Section or Tariff shall preclude

Shipper(s) from obtaining imbalance management service from a

third party provider.

(The rest of this sheet has been intentionally left blank.)