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. 217 Original Sheet No. 217 : Effective

RATE SCHEDULE FT-FLEX (Continued)

v) Authorized overrun charge. For each Month, the maximum authorized

overrun charge payable by Shipper shall be equal to the applicable maximum rate

for service under Rate Schedule IT, multiplied by the sum of the Authorized

Overrun Scheduled Quantity or Quantities during such Month for such Shipper.

vi) Other Charges. These include any other charges as may be

applicable from time to time pursuant to the General Terms and Conditions or as

otherwise authorized by the FERC.

vii) Capacity Release Credits. To the extent Shipper releases capacity

in any Month pursuant to Section 11 of the General Terms and Conditions, Shipper

shall receive a credit representing the Monthly reservation charge