Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 03/04/2002, Docket: RP02-157-000, Status: Effective

First Revised Sheet No. 37C First Revised Sheet No. 37C : Effective

Superseding: Original Sheet No. 37C

RATE SCHEDULE PNR

Park `N Ride Service

(continued)

4. CHANGE IN RATES

Seller shall have the unilateral right to file with the appropriate

regulatory authority and make changes effective in (a) the rates and

charges applicable to this Rate Schedule, (b) this Rate Schedule,

pursuant to which service hereunder is rendered; provided, however, that

the interruptible character of service shall not be subject to change

hereunder, and/or (c) any provisions of the General Terms and Conditions

applicable to this Rate Schedule. Such changes may be implemented

through a tariff filing. Seller agrees that Buyer may protest or contest

the aforementioned filings, or may seek authorization from duly

constituted regulatory authorities for such adjustment of Shipper's

existing FERC Gas Tariff as may be found necessary to assure that the

provisions in (a), (b), or (c) above are just and reasonable.

5. PNR POINTS OF SERVICE

5.1 Seller shall post, in a non-discriminatory manner, Parking

Points and Riding Points of service on Seller's Electronic Bulletin

Board. Seller may, at its sole discretion, post from time to time

additions or deletions to the list of available points of service.

If Seller terminates a point where parked quantities are to be

returned to a Buyer or ridden quantities are to be returned to

Seller, such point(s) shall remain available for the limited purpose

of completing such outstanding transactions unless Buyer and Seller

mutually agree to utilize a different Parking Point or Lending Point.

5.2 In order to facilitate Park `N Ride Service under this Rate Schedule,

Parking Points and Riding Points shall be assigned new PNR Point of

Interest (POI) numbers. Each new PNR POI shall be associated with an

existing POI located at the same physical point on Seller's system as

the new PNR POI. There shall be no transportation or

transportation-related fees associated with the nomination of any

gas quantities between the PNR POI and its associated existing POI.

6. REQUESTS FOR SERVICE

6.1 Requests for service under this Rate Schedule shall be considered

acceptable only if Buyer has completed and returned Seller's service

request form (which is available to all Buyers upon request). Such

request for service shall contain the information specified in

Seller's service request form, as such may be revised from time to

time, and:

A. Either with the request for service or at the time of

execution of the PNR Service Agreement, such other

information as required to comply with regulatory

reporting or filing requirements; and

B. Sufficient information to determine Buyer's

creditworthiness in accordance with Section 13 of the

General Terms and Conditions of this Tariff.

6.2 Upon Seller's acceptance to provide the requested service, Seller

shall tender to Buyer for execution a PNR Form of Service Agreement

in the form as set forth in Seller's FERC Gas Tariff. Such tender

and execution may be by electronic means.