Great Lakes Gas Transport, L.L.C.

Second Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-322-000, Status: Effective

First Revised Sheet No. 105 First Revised Sheet No. 105 : Effective

Superseding: Original Sheet No. 105

GENERAL TERMS AND CONDITIONS

FOR TRANSPORTATION SERVICE

(cont'd)

3. STANDARDS FOR MEASUREMENT AND TESTS (cont'd)

3.8 Shipper may, at its option, install check meters for checking Trans-

porter's measurement, and same shall be so installed as not to inter-

fere with the operation of Transporter's facilities. Transporter

shall have access to such check measuring equipment at all reasonable

hours.

3.9 Each party shall have the right upon request to be present at the time

of any installing, reading, cleaning, changing, repairing, inspecting,

testing, calibrating,or adjusting done in connection with the other's

measuring equipment used in measuring deliveries hereunder.

4. BILLINGS

4.1 Invoices. An invoice shall be submitted by Transporter to Shipper in

accordance with GISB Standards on or before the ninth (9th) business

day of each month for all services furnished hereunder during the

preceding billing period. Transporter's invoice shall be based on

actual measurement information. With respect to receipt or delivery

points covered by an Operational Balancing Agreement, pursuant to

Section 13.2 of these General Terms and Conditions, Transporter's

invoice shall be based on scheduled quantities. When information

necessary for billing purposes is in the control of Buyer, Buyer shall

furnish such information to Seller on or before the fifth (5th) day

following the date of the final meter reading of each month.

4.2 Transporter and Shipper shall have the right to all reasonable times

to examine, in accordance with Section 5.4 of these General Terms and

Conditions, the books and records of each other to the extent neces-

sary to verify the accuracy of any invoice, computation or demand made

hereunder.

5. PAYMENTS

5.1 Shipper shall pay Transporter any amounts due, within ten (10) days

following the receipt of Transporter's invoice. All payments shall be

identified by invoice number specified by Transporter on the invoice

to which the payment relates.