Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

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Effective Date: 07/20/2006, Docket: RP06-395-000, Status: Effective

Fourth Revised Sheet No. 36 Fourth Revised Sheet No. 36 : Effective

Superseding: Third Revised Sheet No. 36

Fourth Revised Sheet No. 36

Balance at each Parking Point and at each Loan Point on each day

of such month.

(c) ACA Surcharge. For each month, the ACA Surcharge

payable by Shipper shall be equal to the applicable ACA Rate, as

stated on the currently effective Sheet No. 4A of this FERC Gas

Tariff subject to the provisions of Section 12.2(c) of the

General Terms and Conditions, multiplied by the sum of the

Injected Quantities at each Parking and Loan Point on each day

of such month.

(d) Reduction of Balance Charge Credit. Solely for

the purpose of calculating the Balance Charge, Transporter shall

reduce the Parked Balance or Loan Balance for each day by the

quantity of gas Transporter was unable to deliver in response to

Shipper nomination under either of the following conditions:

(1) In the event that Shipper submits a

nomination that would have reduced its Parked Balance or Loan

Balance on any day and Transporter is unable to schedule all the

quantities nominated because there is inadequate park and loan

capacity available.

(2) In the event that: a) Shipper submits a

Park/Loan nomination in combination with an interruptible

nomination that would have reduced its Parked Balance or Loan

Balance on any day, and b) Shipper does not have a firm

transportation agreement with Transporter, and c) Transporter

is unable to schedule all of the quantities nominated because,

although there is adequate park and loan capacity available,

there is not adequate interruptible capacity available to the

desired delivery point.