Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 04/30/2010, Docket: RP10-550-000, Status: Effective

Fourth Revised Sheet No. 118 Fourth Revised Sheet No. 118

Superseding: Third Revised Sheet No. 118

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

8. PAYMENT

8.1 Payment under all Rate Schedules: On or before the tenth day

following the date GTN's bill is rendered in accordance with

Paragraph 7.1 of these General Terms and Conditions, each Shipper

under all applicable Rate Schedules shall pay to or upon the order

of GTN in lawful money of the United States at GTN's office in

Houston, Texas, the amount of the bill rendered by GTN. In

accordance with NAESB Standard 3.3.17, Version 1.8, party making

payment should submit supporting documentation; party receiving

payment should apply payment per supporting documentation provided

by the paying party; and if payment differs from invoiced amount,

remittance detail should be provided with the payment except when

payment is made by electronic funds transfer (EFT), in which case,

the remittance detail is due within two Business Days of the

payment due date. Shipper shall identify invoice numbers on all

payments. In the event a Shipper disputes any portion of the

invoice, Shipper shall pay that portion of the invoice not in

dispute and provide supporting documentation identifying the basis

for the dispute.

8.2 Interest on Unpaid Amounts: Should Shipper fail to pay the amount

of any bill rendered by GTN when such amount is due, interest

thereon shall accrue from the due date until paid at the rate of

interest effective from time to time under 18 CFR Section 154.501.

8.3 Remedies for Failure to Pay: If a Shipper's failure to pay the

undisputed portion of an invoice continues for thirty (30) days

after payment is due, GTN, in addition to any other remedy it may

have, may suspend further delivery of gas until such amount is

paid.

If Shipper's failure to pay extends beyond thirty (30) days after

payment is due, in addition to suspending service under Shipper's

Transportation Service Agreement(s), Transporter shall have the

right to terminate service. To the extent that Transporter seeks

to terminate a Shipper's Transportation Service Agreement,

Transporter will provide written notice to Shipper, the Commission,

and any Replacement Shipper(s) that has obtained temporary release

capacity from Shipper, that if Shipper fails to make payment within

fifteen (15) days, Transporter will terminate Shipper's

Transportation Service Agreement(s) and may exercise any other

remedy available to Transporter hereunder, at law or in equity.

(Continued)