Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 05/11/2009, Docket: RP09-506-000, Status: Effective

Fourth Revised Sheet No. 226A Fourth Revised Sheet No. 226A

Superseding: Third Revised Sheet No. 226A

GENERAL TERMS AND CONDITIONS (Continued)

8. ELECTRONIC COMMUNICATION MECHANISMS (Continued)

8.2 Electronic Data Interchange

Transporter has established an Electronic Data Interchange (EDI)

mechanism for use by an interested party. The transmittal of EDI

transactions shall be available to any interested party that has

compatible equipment for electronic transmission of data, provided that

such interested party has a fully executed Trading Partner Agreement

(TPA), the agreement which sets forth the terms, conditions, limitations

and remedies between parties utilizing Transporter's EDI service, and

agrees to comply with any procedures for access or use that may

hereinafter be established for EDI. A TPA for interested party's use in

establishing access to Transporter's EDI mechanism can be found on

Transporter's Website under Other Information. Such agreement follows

the format of the NAESB Electronic Data Interchange Trading Partner

Agreement [NAESB Standard 6.3.3].

8.2.1 EDI will be available on a 24-hour basis, except as

required to archive data, enhance the EDI mechanism's

functionality and/or perform preventive maintenance. Such periods

of non-availability will be posted on the Website no less than 48

hours prior to the down-time period.

8.2.2 Transporter shall maintain and retain daily back-up

records of EDI transactional data for two (2) years and permit an

interested party to review those records, which will be archived

and reasonably accessible to such interested party after

submission of a written request to Transporter to review same.

8.2.3 The EDI transaction sets available for electronic

delivery will include the transaction sets required by Order Nos.

587, et seq.

8.2.4 Transporter will monitor performance of the EDI mechanism

and will arrange for enhancements as conditions warrant.

8.2.5 An interested party utilizing Transporter's EDI mechanism

assumes sole responsibility for all use of the EDI mechanism and

the files of and the information transacted via the EDI mechanism

and