Michigan Gas Storage Company

First Revised Volume No 1

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Effective Date: 01/01/1997, Docket: RP96-290-000, Status: Effective

First Revised Sheet No. 20 First Revised Sheet No. 20 : Superseded

Superseding: Original Sheet No. 20

RATE SCHEDULE NNS

NO NOTICE SERVICE

1. AVAILABILITY

This Rate Schedule is available to any party ("Shipper") taking

service under Michigan Gas Storage Company's Rate X-1 tariff on May

18, 1992.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all service rendered by MGS for

Shipper pursuant to the executed Service Agreement under this Rate

Schedule.

Service under this Rate Schedule shall consist of the Firm delivery

of Gas at the No Notice Delivery point(s) as specified in the Form

of Service Agreement, up to the Maximum Daily Quantity (MDQ)

specified in the executed service agreement. Nominations will not

be required at receipt or delivery points. Shipper shall have

access to all Points of Receipt and Delivery on the MGS System.

MGS system facilities shall be utilized to manage deviations that

may occur between receipts of Gas from or on behalf of Shipper and

deliveries of Gas to or on behalf of Shipper.

Subsequent to the conclusion of a calendar month, the receipts of

gas from or on behalf of Shipper will be reconciled with deliveries

of gas to or on behalf of Shipper. Differences between said

receipts and deliveries shall be deemed to have been injected into

or withdrawn from storage.

Upon conversion from MGS's Rate X-1 tariff to No Notice Service,

Shipper must notify MGS as provided for in Section 20 of the

General Terms and Conditions of this tariff, as well as in the Form

of Service Agreement of this tariff, of the maximum daily variance

anticipated between Receipts from and Deliveries to Shipper during

the normal storage injection and withdrawal cycles of MGS. Such

variances shall be deemed to be Shipper's Maximum Daily Injection

Quantity (MDIQ) and Maximum Daily Withdrawal Quantity (MDWQ),

respectively.

The converting Shipper must also notify MGS of its anticipated

cumulative difference between receipts and deliveries during MGS's

normal storage injection cycle. This cumulative difference shall

be deemed to be Shipper's Maximum Storage Quantity (MSQ).

3. CONDITIONS OF SERVICE

3.1 Request for Service

In Order to request service pursuant to this Rate Schedule, a

potential Shipper shall make such request for service by phone or

facsimile, or in writing to Transporter. Transporter will respond

to such request within ten (10) business days. If such request is

denied, Transporter will inform the requestor in writing of such

denial, and the reasons therefore.

3.2 Credit Worthiness

MGS shall not be required to commence service or to continue to

provide service under this Rate Schedule for any Shipper, who, at

MGS's reasonable discretion, fails to demonstrate minimal credit

worthiness.