Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 11/01/1993, Docket: RS92- 13-004, Status: Effective

Original Sheet No. 77 Original Sheet No. 77 : Effective

RATE SCHEDULE STN-1

SMALL CUSTOMER

NO-NOTICE FIRM TRANSPORTATION SERVICE (Continued)

2. APPLICABILITY AND CHARACTER OF SERVICE (Continued)

Transporter's system within Shipper's existing contract

path specified in the Rate Schedule ST-1 Service

Agreement.

2.3.1.1 The Service Agreement shall specify such

supply contract(s), the applicable receipt

point(s) and the person(s) or entity(ies)

which Transporter should contact to cause any

or all of the additional supply contracted for

by Shipper to be delivered into Transporter's

system at any time. The Service Agreement

shall also contain designated priorities of

the supply contracts and the order in which

Transporter should contact the person(s) or

entity(ies) should it become necessary for

Transporter to require that additional gas

supplies be delivered into its system to

ensure the provision of the no-notice service

contracted for. Such prioritization shall

separately show the priority and order of

supply contracts on a line section by line

section basis on Transporter's system.

2.3.2 Notwithstanding the prioritization schedule provided by

Shipper pursuant to Subsection 2.3.1.1, when necessary

to protect the operational integrity of its pipeline

system, Transporter reserves the right, in its

reasonable discretion, to choose the most appropriate

of the designated supply sources from which to request

the receipt of additional natural gas.

2.3.3 After contacting the designated person(s) or

entity(ies) and requesting additional gas deliveries,

Transporter must be able to verify, within one hour,

that the flow of the additional gas supplies has

commenced.

2.3.4 Service hereunder will not be provided to the extent

that Shipper does not have the requisite amount of

natural gas in Transporter's aggregate storage

facilities or if the additional natural gas

supplies are determined not to be flowing onto