Great Lakes Gas Transmission Limited Partner

Second Revised Volume No. 1

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Effective Date: 11/01/2006, Docket: RP06-624-000, Status: Effective

Eighth Revised Sheet No. 11 Eighth Revised Sheet No. 11 : Effective

Superseding: Seventh Revised Sheet No. 11

GENERAL TERMS AND CONDITIONS

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(continued)

3.2 Nomination Timeline (continued)

c) Intra-day nominations can be used to request increases or decreases in total flow, changes

to receipt points, or changes to delivery points of scheduled gas.

d) Intra-day nominations span only one Gas Day and do not replace the remainder of a standing

nomination.

e) Bumping is not allowed during the Intra-Day 2 and Last Intra-Day nomination cycles.

f) Transporter may, on a not unduly discriminatory basis, extend the "Nominations due to

Transporter" deadlines stated herein, provided that such action does not adversely impact

any other shipper(s) on Transporter's pipeline system.

3.3 Imbalances and Penalties

It is recognized that daily variances between scheduled and actual quantities at an

interconnecting point may be beyond Shipper's control. Such variances will be considered

imbalances. Transporter shall reconcile imbalances with the related interconnecting, or welded,

party through the use of OBA arrangements or by allocating such imbalance to the primary

transportation agreement at a particular interconnecting point (use of swing allocation

methodology as approved in NAESB flowing gas standards), or as otherwise agreed upon by the

parties. Other methodologies that may be agreed upon by the parties include Ranked, Pro-Rata,

Percentage, and Operator Provided Value. In the absence of such arrangements between

Transporter and the interconnecting party, any imbalances at an interconnecting point shall be

allocated on a pro-rata basis to all shippers at the affected point based on scheduled and

confirmed nominations. All imbalances shall be kept to a minimum permitted by operating

conditions and shall be balanced as soon as practicable without adversely affecting

Transporter's operations or its ability to meet all other obligations. Transporter will provide

a statement of imbalance to Shipper at the time of, or prior to, the rendering of the

transportation invoice, as described in Section 9.1 of the General Terms and Conditions of this

FERC Gas Tariff, Second Revised Volume No. 1. Transporter will also provide timely information,

based on actual data, on the imbalance and overrun status of each Shipper and of the system as a

whole on its web site. Such information will include statements updated daily of the status

during the course of a month and at month-end.

After notification to Shipper by Transporter of an imbalance, Shipper shall make the appropriate

nomination, in accordance with the time periods set forth in Subsection 3.1 and 3.2 above, or

change in gas flow to correct the imbalance.

The time limitation for disputes of allocations should be 6 months from the date of the initial

month-end allocation with a 3-month rebuttal period. This standard shall not apply in the case

of deliberate omission or misrepresentation or mutual mistake of fact. Parties' other statutory

or contractual rights shall not otherwise be diminished by this standard.

It shall be the responsibility of Shipper to monitor, control and adjust deliveries of gas to

Transporter and receipts of gas from Transporter. Transporter shall not be obligated to deliver

to Shipper at the delivery point(s) quantities in excess of the quantities received from Shipper

at the receipt point(s) after deductions for Transporter's Use, nor shall Transporter be

obligated to receive from Shipper at the receipt point(s) quantities in excess of the quantities

delivered to the Shipper at the delivery point(s) after deduction for Transporter's Use. In the

event of an imbalance resulting directly or indirectly from Shippers' actions or inactions,

Transporter may, in addition to any other remedies under law that it may have, charge Shipper an

imbalance penalty.