Transcolorado Gas Transmission Company LLC

Second Revised Volume No. 1

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Effective Date: 12/28/2007, Docket: RP08-167-000, Status: Effective

Original Sheet No. 413 Original Sheet No. 413 : Effective

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.