Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 12/01/1997, Docket: RP98- 31-000, Status: Effective

First Revised Sheet No. 281 First Revised Sheet No. 281 : Effective

Superseding: Original Sheet No. 281





18.1 Definition of Unauthorized Gas: Unauthorized Gas is natural

gas that has not been nominated by a Shipper and/or scheduled

by Transporter in accordance with the provisions of this Tariff

to be received or delivered by Transporter, either for

Transporter's own purchase or for transportation for the

account of Shipper(s) under any Service Agreement.


Unauthorized Gas is distinguished from excess quantities of

natural gas received into Transporter's facilities from any

receipt source or delivered from Transporter's facilities

through any delivery point, in that Unauthorized Gas is gas not

nominated by a Shipper or gas that is nominated by a Shipper

but allocated to zero by Transporter and therefore not

scheduled in accordance with the provisions of this Tariff on

any day.


18.2 Receipt of Unauthorized Gas


18.2.1 Unauthorized Gas During a Critical Situation: Upon

notification from Transporter of a critical

Unauthorized Gas situation, such party(ies) responsible

for the Unauthorized Gas receipt(s) shall terminate the

unauthorized flow into Transporter's facilities within

twenty-four (24) hours. If, after the twenty-four (24)

hour notice period, any quantity of Unauthorized Gas

continues to flow into Transporter's system,

Transporter shall retain, at no cost to itself and free

of any obligation to account therefor in kind or

otherwise to any person claiming an interest therein,

the quantity of such Unauthorized Gas introduced into

Transporter's facilities. A critical Unauthorized Gas

situation shall apply only when Transporter, in good

faith, has determined that the safety and/or integrity

of its system is threatened. Nothing herein shall

limit Transporter's right to take any other actions

required to maintain the safety and integrity of its

system operations. Until Transporter notifies the

party(ies), either by telephone, electronically or by

facsimile, that the critical Unauthorized Gas situation

has ended, the Unauthorized Gas penalty of retention of

gas remains applicable on each subsequent day without

further notification.