TransColorado Gas Transmission Company

Original Volume No. 1

Effective Date: 05/15/2000, Docket: GT00- 25-000, Status: Effective

First Revised Sheet No. 413 First Revised Sheet No. 413 : Superseded

Superseding: Original Sheet No. 413

TRADING PARTNER AGREEMENT

for the Electronic Data Interchange

of Information Over the Public Internet

Section 2. Transmissions. (Continued)

2.2.2. If there has not been a Proper Receipt by the

sending party of a Functional Acknowledgment or Response Document (as

applicable) to a Document for any reason, or there has been a Proper

Receipt by the sending party of a Response Document or Functional

Acknowledgment indicating error, the Document shall not be relied upon by

either party as an effective Document for any purpose and the sending

party, within the Retransmission Timeframe (as set forth in the Appendix),

may elect to retransmit the Document.

2.2.3. A Functional Acknowledgment, or a Response

Document (that has been designated in the Appendix as a substitute for a

functional acknowledgment) with Proper Receipt that does not indicate

error shall constitute conclusive evidence a Document has been received.

2.3. Garbled Transmissions. If any transmitted Document is received

in an unintelligible or garbled form, the receiving party shall promptly

notify the originating party (if identifiable from the received Document)

in a reasonable manner.

Section 3. Transaction Terms.

3.1. Terms and Conditions. This Agreement is to be considered part

of any other written agreement duly executed by the parties referencing it

or as referenced by mutual agreement of the parties in the Appendix

hereto. The terms of this Agreement shall prevail in the event of a

conflict with any of the terms and conditions applicable to any

Transaction insofar as such conflict exists between the procedures to be

used in the electronic transmission of data set forth herein.

3.2. Confidentiality. No information contained in any Document or

otherwise exchanged between the parties shall be considered confidential,

except to the extent provided herein or pursuant to the transportation

agreements between the parties, other written agreements between the

parties or by applicable law.