Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 10/01/2002, Docket: RP02-483-000, Status: Effective

Eighth Revised Sheet No. 227 Eighth Revised Sheet No. 227 : Effective

Superseding: Seventh Revised Sheet No. 227

GENERAL TERMS AND CONDITIONS (Continued)

9. NOMINATION AND SCHEDULING PROCEDURES

Shipper shall advise Transporter's Nomination Center of nominations via

an acceptable electronic communication mechanism, as described in

Section 8 of these General Terms and Conditions in accordance with the

following standard nomination cycle timelines, and in accordance with

Section(s) 9 and 48 and/or 49 of these General Terms and Conditions.

Both Shipper and Transporter shall adhere to the following timeline(s).

9.1 Timely Nomination Cycle:

The Timely Nomination Cycle times are Central Clock Time on the

day prior to flow of gas.

9.1.1 11:30 a.m. - For nominations leaving control of the

nominating party.

9.1.2 11:45 a.m. - For receipt of nominations by the

Transporter (including from Title Transfer Tracking Service

Providers (TTTSPs)).

9.1.3 12:00 p.m. - To send quick response.

9.1.3.1 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.

9.1.4 3:30 p.m. - For receipt of completed confirmations by

Transporter from upstream and downstream connected parties.