Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 08/01/1999, Docket: RP99-410-000, Status: Effective

Original Sheet No. 227A.1C Original Sheet No. 227A.1C : Effective

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.

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

9.4.3.1 With the exception of otherwise stated GISB

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.)