Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 09/01/2005, Docket: RP05-432-001, Status: Effective

Sixth Revised Sheet No. 227A Sixth Revised Sheet No. 227A : Effective

Superseding: Fifth Revised Sheet No. 227A

GENERAL TERMS AND CONDITIONS (Continued)

9. NOMINATION AND SCHEDULING PROCEDURES (Continued)

9.1.4.1 With respect to the timely nomination/confirmation

process at a receipt or delivery point(s), in the absence of

agreement to the contrary, the lesser of the confirmation

quantities shall be the confirmed quantity. If there is no

response to a request for confirmation or an unsolicited

confirmation response, the lesser of the confirmation

quantity or the previously scheduled quantity shall be the

new confirmed quantity.

9.1.4.2 When a confirmation requester receives a

confirmation response document from a confirming party by the

conclusion of a given quarter hour period, the confirmation

requester will send to the confirming party's designated site

a corresponding confirmation response quick response document

by the conclusion of the subsequent quarter hour period. The

quarter hour periods will be defined to begin on the hour and

at 15, 30, and 45 minutes past the hour. A given quarter

hour will contain all transactions whose receipt time is less

than the beginning of the subsequent quarter hour.

9.1.5 4:30 p.m. - For receipt of scheduled quantities by Shipper

and point operator. At the end of each gas day, transportation

service providers should provide the final scheduled quantities for

the just completed gas day. With respect to the implementation of

this process via the 1.4.x scheduled quantity related standards,

transportation service providers should send an end of gas day

scheduled quantity document. Receivers of the end of gas day

scheduled quantity document can waive the sender's sending of the

end of gas day scheduled quantity document.

9.1.6 Scheduled quantities are to be effective at 9:00 a.m. on

the next gas day.

9.2 Evening Nomination Cycle:

The Evening Nomination Cycle times are Central Clock Time on the day

prior to flow of gas.

For purposes of Subsection 9.2, "provide" shall mean, for transmittals

pursuant to standards 1.4.x, receipt at the designated site, and for

purposes of other forms of transmittal, it shall mean send or post.

9.2.1 6:00 p.m. - For nominations leaving control of the

nominating party.