TransColorado Gas Transmission Company

Original Volume No. 1

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Effective Date: 07/01/2002, Docket: RP02-328-000, Status: Effective

Second Revised Sheet No. 411 Second Revised Sheet No. 411 : Superseded

Superseding: First Revised Sheet No. 411



for the Electronic Data Interchange

of Information Over the Public Internet


Section 1. Prerequisites. (Continued)


1.4. Security Procedures. Each party, in its sole discretion and

expense, shall use and provide for the requisite levels of security which

are reasonably sufficient to ensure that all transmissions of Documents

are authorized by the parties and to protect their business records and

data from improper access. At a minimum, the parties shall provide and

use those security measures specified herein, in the NAESB standards as

adopted by the FERC, or as may be agreed upon by the parties as set forth

in the Appendix.


1.5. Keys. When the parties are utilizing the Internet electronic

delivery mechanism as herein contemplated, each party shall maintain a

Pretty Good Privacy ("PGP") "public key," (an encryption algorithm used to

facilitate private electronic communication) which may be changed from

time to time in accordance with this Agreement or as may be set forth in

the Appendix. Each party shall provide to the other party its PGP public

key by either (a) a certified or receipted mail service using a diskette

with the public key contained in an ASCII text file, or (b) an electronic

simple mail transfer protocol (smtp) mail message with the public key

contained in the body. Under either option above, the public key shall be

verified by the party to whom it is sent by validating the fingerprint of

the public key which may be accomplished via telephone, fax, or other

comparably reliable means. If a party desires to change its public key,

it shall provide at least five business days prior notice thereof to the

other party; provided that under an emergency situation, a prior written

notice of at least 24 hours shall be given.


1.6. Electronic Signatures. Each party shall adopt as its

signature the PGP private key, where required by the Standards or

otherwise agreed to by the parties, in the Document transmitted by such

party ("Signature Code(s)"). Such Signature Codes(s) shall be specified

in the Appendix. Each party agrees that the Signature Code(s) of such

party affixed to or contained in any transmitted Document shall be

sufficient to verify that such party originated the Document. Neither

party shall disclose to any unauthorized person the Signature Code(s) of

the other party.