East Tennessee Natural Gas Company

Second Revised Volume No. 1

Effective Date: 05/01/2000, Docket: RP00-245-000, Status: Effective

Second Revised Sheet No. 165 Second Revised Sheet No. 165 : Superseded

Superseding: First Revised Sheet No. 165

GENERAL TERMS AND CONDITIONS (Continued)

26. NOTICES

Except when Transporter's General Terms and Conditions require notice

via PASSKEY, any communication, notice, request, demand, statement or

bill provided for in this Tariff or in a gas service agreement, or any

notice that either Transporter or Shipper may desire to give to the

other, shall be in writing and shall be considered as duly presented,

rendered or delivered when mailed by postpaid registered or ordinary

mail or when sent by electronic medium or such other method mutually

agreed upon between the parties. The material so sent shall be

addressed to the pertinent party at its last known post office address,

or at such other address as either party may designate.

27. MODIFICATION

No modification of the terms and provisions of an executed gas service

agreement shall be made except by the execution of a superseding gas

service agreement or the execution of a superseding exhibit thereto.

28. NONWAIVER AND FUTURE DEFAULT

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

by the other in the performance of any provision of a gas service

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

default or defaults, whether of a like or of a different character.

29. APPLICABLE REGULATIONS

This Tariff, including these General Terms and Conditions, and the

respective obligations of the parties under the gas service agreements

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.

30. OPERATING INFORMATION AND ESTIMATES

At Transporter's request, any Shipper shall furnish to Transporter

estimates of peak day, monthly and annual quantities of natural gas (by

classification of customers as required by the Federal Energy Regulatory

Commission's Regulations). In addition, Shipper shall furnish

Transporter with comparable actual gas sales and enduse data relating

to the ultimate consumer(s) on Transporter's system.