Trans-Union Interstate Pipeline, L.P.

Original Volume No. 1

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Effective Date: 02/07/2006, Docket: RP06-217-000, Status: Effective

Original Sheet No. 125 Original Sheet No. 125 : Effective

17. NOTICES

Unless otherwise provided in this Tariff, all communications and

notices shall

be via Transporter's Web Site and/or through internet e-mail or

to Shipper's

internet address. If notice or communication is made in writing,

it shall be

considered as duly presented, rendered, or delivered when

received.

18. MODIFICATION

No modification of the terms and provisions of a Transportation

Agreement

shall be made except by the execution of written contracts.

19. NON-WAIVER AND FUTURE DEFAULT

No waiver by either Transporter or Shipper of any one or more

defaults by the

other in the performance of any provisions of the Transportation

Agreement

shall operate or be construed as a waiver of any future default

or defaults,

whether of a like or of a different character.

20. SCHEDULES AND CONTRACT SUBJECT TO REGULATION

This Tariff, including these General Terms and Conditions and the

respective

obligations of the parties under a Transportation Agreement, are

subject to

valid laws, orders, rules, and regulations of duly constituted

authorities

having jurisdiction and are subject to change from time to time

by addition,

amendment, or substitution as provided by law.

21. OPERATING INFORMATION AND ESTIMATES

At Transporter's request, any Shipper which has executed a

Transportation

Agreement with Transporter shall furnish to Transporter estimates

of the

daily, monthly, or annual quantities of Gas that Shipper desires

Transporter

to transport for Shipper.

22. NEW FACILITIES POLICY

Transporter is under no obligation to build, acquire and/or

install service

lateral pipelines, tape and metering facilities necessary to

provide

transportation service to any new or existing Shipper.

Transporter may

construct facilities on a non-discriminatory basis, provided:

22.1 Transporter determines in its sole discretion it has

sufficient

unutilized mainline transportation capacity to provide the

service requested

by the Shipper without impairing the operational integrity of its

system, or

Transporter has obtained certificate authorizations to expand its

mainline

capacity by an amount sufficient to allow Transporter to provide

the requested

service; and

22.2 Transporter has or obtains any certificate

authorizations necessary to

build, acquire and/or install the service lateral pipeline(s),

tap(s) and/or

meter facilities; and