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

First Revised Sheet No. 227A.01C First Revised Sheet No. 227A.01C : Effective

Superseding: Original Sheet No. 227A.01C

GENERAL TERMS AND CONDITIONS (Continued)

9. NOMINATION AND SCHEDULING PROCEDURES (Continued)

9.4.2 5:15 p.m. - For receipt of nominations by the Transporter

(including from TTTSPs).

9.4.3 5:30 p.m. - To send quick response.

9.4.3.1 With the exception of otherwise stated NAESB

nominations deadlines, when a transportation service

provider receives a nomination document from a service

requester by the conclusion of a given quarter hour period,

the transportation service provider will send to the service

requester's designated site a corresponding 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.

9.4.4 8:00 p.m. - For receipt of completed confirmations by

Transporter from upstream and downstream connected parties.

9.4.4.1 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.

9.4.5 9:00 p.m. - For transportation service provider to

provide scheduled quantities to affected Shippers and point

operators.

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