Enbridge Pipelines (Midla) Inc.

Fourth Revised Volume No. 1

Effective Date: 10/01/2001, Docket: GT01- 30-000, Status: Effective

Original Sheet No. 133 Original Sheet No. 133 : Effective

6. CURTAILMENT

6.1 Pipeline shall have the right to curtail, interrupt, or

discontinue any service in whole or in part on all or any portion

of its system from time to time and at any time: (a) for reasons

of force majeure or when necessary to alleviate conditions which

in Pipeline's reasonable judgment threaten the operational

integrity of Pipeline's system or (b) to perform routine

maintenance, repairs, and regulatory compliance activity, provided

that Pipeline shall use due diligence to schedule such activity so

as to minimize disruptions of service and shall endeavor to

provide advance notice of such interruptions to Customer.

6.2 Prior to Pipeline implementing the curtailment procedures set

forth in this Section 6, Pipeline shall be authorized to issue an

Operational Flow Order pursuant to Paragraph 5.9 in order to

maintain the operational integrity of the system. In the event

the issuance of an Operational Flow Order fails to alleviate the

conditions which threaten the integrity of Pipeline's system,

Pipeline shall be authorized to curtail service to Customers

pursuant to this Section 6.

6.3 Curtailment Procedures

(a) Curtailment of Transportation Capacity

In the event of a capacity constraint on all or any portion

of Pipeline's system, deliveries of gas shall be curtailed

in the following order:

(1) Scheduled service under Pipeline's interruptible rate

schedules shall be curtailed first commencing with

service being provided at the minimum rate of

Pipeline then in effect; next in order shall be

interruptible service being provided at a rate that

is greater than the minimum rate of Pipeline then in

effect,