Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 02/01/1997, Docket: RP97-215-000, Status: Effective

First Revised Sheet No. 330 First Revised Sheet No. 330 : Effective

Superseding: Original Sheet No. 330

GENERAL TERMS AND CONDITIONS (Continued)

38. FUEL REIMBURSEMENT ADJUSTMENT PROVISION (Continued)

38.6.1.4 Transfers of any unamortized amounts remaining

in a gathering deferral subaccount of Account

No. 182.3 after the related surcharge

amortization period has expired.

38.6.1.5 The gathering portion of all refunds or

revenue credits including any out-of-period

gas purchase billing adjustments, along with

the related interest paid, as described in

Subsection 38.6.4 hereof.

38.6.1.6 Carrying charges on the gathering current

deferral and amortizing subaccounts as

specified in Subsection 38.6.3 hereof.

38.6.2 The amount to be included in the gathering current

deferral subaccounts in order to reflect the items

specified in Subsections 38.6.1.1, 38.6.1.2 and

38.6.1.3 hereof shall be calculated as follows:

38.6.2.1 Transporter shall first determine the actual

monthly Gathering Company Use and Lost and

Unaccounted For gas quantities. The

quantities of Gathering Company Use and Lost

and Unaccounted For gas shall then be valued

at Transporter's actual system average cost of

gas during the month.

38.6.2.2 Transporter shall then determine the Gathering

Company Use and Lost and Unaccounted For gas

costs recovered in-dollars and the Gathering

Company Use and Lost and Unaccounted For gas

quantities recovered in-kind by multiplying

the projected Current Fuel Reimbursement

Charge-Gathering or Current Fuel Reimbursement

Percentage-Gathering in effect during the

deferral month, as applicable, by the total

actual quantity of gathering service receipts

during the month. The quantities of Gathering

Company Use and Lost and Unaccounted For gas