Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

Effective Date: 10/06/2003, Docket: RP04- 23-000, Status: Effective

Original Sheet No. 301 Original Sheet No. 301 : Effective

FORM OF SERVICE AGREEMENT

APPLICABLE TO ELECTRONIC DATA INTERFACE

Section 1. Prerequisites.

1.1. Documents: Standards. Each party may electronically

transmit to or receive from the other party any of the

transaction sets listed in the Exhibit(s) of Appendix A, and

transaction sets which the parties by written agreement add to

Appendix A (individually a "Document"; collectively "Documents").

Any transmission of data which is not a Document shall have no

force or effect between the parties. Documents shall be

transmitted in accordance with the terms and conditions of

Appendix A attached hereto. Additional Exhibit(s) may be added

from time to time, upon written agreement by the parties, and

such Exhibit(s) shall be made a part of this Agreement.

In the event of a conflict between the provisions in Appendix A

or an Exhibit and the terms and conditions of the body of this

Agreement, the terms and conditions of the body of this Agreement

shall govern.

1.2. Third Party Service Providers.

1.2.1. Documents will be transmitted electronically to each

party either, as specified in Appendix A, directly or through any

third party service provider ("Provider") with which either party

may contract. Either party may modify its election to use, not

use or change a Provider upon 30 days prior written notice to the

other party to this Agreement.

1.2.2. Each party shall be responsible for the costs of any

Provider with which it contracts, unless otherwise set forth in

Appendix A. Unless otherwise stated in Appendix A, the sending

party shall pay all costs to transmit its data to the receiving

party's Receipt Computer and the receiving party shall pay all

costs to retrieve the data.

1.2.3. Due to the uncertain nature of the Worldwide

Web/Internet, the parties acknowledge and agree that each

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