Enbridge Pipelines (Midla) Inc.

Fourth Revised Volume No. 1

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Effective Date: 06/01/2002, Docket: RP00-400-001, Status: Pending

First Revised Sheet No. 152 First Revised Sheet No. 152 : Pending

Superseding: Original Sheet No. 152

14.3 To correct an imbalance incurred during a month, Customer may

submit a request setting forth a correcting imbalance, to be

undertaken during the month that the imbalance occurs, that

results in overdeliveries to Pipeline at Point(s) of Receipt or

underdeliveries to Customer at Point(s) of Delivery; provided,

however, such receipts and deliveries shall not exceed Customer's

MDQ and, provided further, that such request to correct the

imbalance shall be subject to Pipeline's approval, which approval

shall not be unreasonably withheld.

14.4 If Pipeline determines in its reasonable judgment, on a non-

discriminatory basis, that imbalances on its system impair

Pipeline's ability to operate its system, Pipeline shall have the

right to notify Customer through an Operational Flow Order to

correct immediately such imbalance. Failure to comply with an

Operational Flow Order issued by Pipeline will make Customer

subject to a penalty, as set forth in Paragraph 5.9(b) hereof.

14.5 Customer receiving service under Rate Schedule NNS shall not be

subject to Paragraphs 14.2, 14.3, and 14.4 hereof; provided,

however, to the extent that quantities of gas delivered from

Pipeline's system pursuant to Rate Schedule NNS exceed Customer's

NNS MDQ, Customer shall be subject to a penalty, as set forth in

Paragraph 17.5.

14.6 Monthly Imbalances

(a) Non-Winter Period (April - October) Imbalances - Provided

that Customer has not been notified by Pipeline that its

imbalances are creating an operational problem on its

system, and the continuation of the imbalance is endangering

service to other Customers, Pipeline shall notify and post,

pursuant to Paragraph 14.9 hereof the imbalance for netting

and/or trading. If a trade is not made, Customer shall have

until the end of the following month to eliminate its

imbalance with no penalty. If Customer does not eliminate

such imbalance by the end of the following month or has been

notified by Pipeline that its imbalance is creating an

operation problem, such imbalance shall be Cashed-out

pursuant to the provisions of Paragraph 14.7 hereof.

(b) Winter Period (November - March) Imbalances - Provided that

Customer has not been notified by Pipeline that its

imbalances are creating an operation problem on its system,

and the continuation of the imbalance is endangering service

to other Customers, and Customer is not able to trade its

imbalance pursuant to the provisions of Pipeline's imbalance

netting and trading service as provided under Paragraph 14.7

hereof and Pipeline and the Customer have not mutually

agreed to an alternate method, Pipeline and Customer shall

Cash-out any imbalance between deliveries and scheduled

nominations at the Delivery Point(s) as provided under

Section 14.7 hereof. Pipeline shall divide the monthly

imbalance by the sum of all scheduled nominations for all

days of the month for each Delivery Point(s) to determine

the percentage monthly Imbalance for the purpose of the

Cash-Out as set forth hereinafter,