Portland Natural Gas Transmission System

Second Revised Volume No. 1

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Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 330 Original Sheet No. 330 : Effective

GENERAL TERMS AND CONDITIONS (Continued)

7.9 Shipper to Provide Information.

(a) Balancing. Prior to the first Day of each Month, Shippers shall

furnish to Transporter, either electronically or in writing, Shipper's good-

faith estimates of the Gas quantities Shipper intends to nominate for service

on each Day of such Month. Such good-faith estimates will be used by

Transporter for balancing purposes and shall not substitute for the Nomination

procedures outlined above, nor shall such good-faith estimates be made

available to Transporter's marketing affiliates unless the information is

posted simultaneously on Transporter's Interactive Internet Website.

(b) Other. Shipper shall endeavor to provide Transporter with all

information and material in the possession of or reasonably accessible to

Shipper and required by Transporter to calculate and verify Shipper's

Scheduled Quantity at Receipt and Delivery Point(s) each Day and to calculate

and verify the Total Heating Value, the quality specifications, and Shipper's

Maximum Daily Quantity at Receipt and Delivery Point(s) each Day.

7.10 Flow Rates.

(a) FT-Flex, FT, IT and PAL Receipts and Deliveries, and HRS at

Secondary Delivery Points. Shipper shall deliver and receive Gas in uniform

Daily quantities during any Month and in uniform hourly quantities during any

Day as nearly as possible at uniform hourly flows. Any departure from uniform

hourly quantities shall be allowed if mutually agreeable.

(b) HRS Receipts. Unless otherwise agreed, Shipper shall deliver, or

cause to be delivered and Transporter shall receive at each Receipt Point, Gas

in uniform hourly quantities during any Day.

(c) HRS Deliveries. Unless otherwise agreed, Transporter shall

deliver and Shipper shall receive, or cause to be received at a specified

Primary Delivery Point, Gas at up to the Maximum Hourly Flow Rate, and within

Shipper's MHQ, as provided in Shipper's Agreement. Transporter shall deliver

at secondary points subject to the provisions of Section 7.10(a) above and the

provisions of Section 4.3 of Rate Schedule HRS.

7.11 Pooling. If requested by a Shipper or supplier on Transporter's system,

Transporter will offer at least one pool. Deliveries from Receipt Points

should be able to be delivered directly into at least one pool, and Delivery

Points should be able to receive quantities from at least one pool, excluding

non-contiguous facilities.

7.12 Confirmation

(i) With respect to the Timely Nomination/confirmation process at a

Receipt or Delivery Point, in the absence of agreement to the contrary, the

lesser of the confirmation quantities should be the confirmed quantity. If

there is no response to a request for confirmation or an unsolicited

confirmation response, the lesser of the confirmation quantity or the

previously Scheduled Quantity should be the new confirmed quantity.

(ii) With respect to the processing of requests for increases during

the Intra-day Nomination/confirmation process, in the absence of agreement to

the contrary, the lesser of the confirmation quantities should be the new

confirmed quantity. If there is no response to a request for confirmation or

an unsolicited confirmation response, the previously Scheduled Quantity should

be the new confirmed quantity.