Gas Transmission Northwest Corp.

Third Revised Volume No. 1-A

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Effective Date: 01/19/2007, Docket: RP06-407-008, Status: Effective

Substitute Fourth Revised Sheet No. 138 Substitute Fourth Revised Sheet No. 138 : Pending

Superseding: Third Revised Sheet No. 138







18.3 Creditworthiness (Continued)


(D) Creditworthiness for Interruptible Transportation Service



(3) (Continued)


(a) Guarantee: Shipper may obtain a guarantee of financial

performance in a form satisfactory to GTN from a corporate

affiliate of the Shipper or a third party, either of which

meets the creditworthiness standard discussed above. For

these companies, the credit limit will be based upon the

financials of the guarantor. A form of guarantee is

available on GTN's Internet website. If during the term of

service the guarantor does not meet the creditworthiness

standards discussed above, then GTN may request additional

assurances as described in (a) through (e) below if GTN

agrees to release the original guarantor of all obligations

at the time Shipper provides the additional assurances.


(b) Cash Options: A Shipper may provide cash as security for

service via cleared check or wire transfer. Shippers may

provide either of the following forms of cash security:


(i) A cash security deposit up to the maximum amount of

the services that may be provided in any three-month

period under an interruptible Agreement. Such cash

security deposit will remain in place to allow

continued service under Shipper's IT Agreement(s).

Cash security deposits will earn interest at the

applicable monthly "Federal Funds (effective)" rate

published in the Federal Reserve Statistical Report

H.15. Interest will be paid by GTN on an annual basis

each September 1 or at the time Shipper's deposit is

returned due to either a return to creditworthiness by

Shipper or the expiration of Shipper's Agreement(s).