Mississippi River Transmission Corp.

Original Volume No. 1-A

Effective Date: 02/01/1990, Docket: GT90- 12-000, Status: Effective

First Revised Sheet No. 40 First Revised Sheet No. 40 : Effective

Superseding: Original Sheet No. 40

TRANSPORTATION

GENERAL TERMS AND CONDITIONS

(Continued)

3. FACILITIES (Continued)

may install, maintain, and operate at its own expense, at or near each

Receipt or Delivery Point, such check metering equipment as desired,

provided that such equipment is installed so as not to interfere with

the operation of any other measuring equipment.

In the event check metering equipment is installed by

either party, the other party shall have access to the same at all

reasonable times, but the reading, calibration, and adjusting thereof,

and the changing of the charts shall be done only by the party

installing the check equipment, unless otherwise agreed upon by

Transporter and Shipper.

3.4 Shipper shall make payments within fifteen (15) days of the

actual date of receipt of any billings submitted or hand delivered by

Transporter pursuant to this section. For purposes of this section,

the bill is deemed to be received by Shipper the earlier of actual

receipt or three (3) business days after the postmark date. Late

payments shall be subject to Section 6.2 of these Transportation

General Terms and Conditions. Transporter, at its sole option, may

submit billings to Shipper up to sixty (60) days prior to commencing

construction for estimated costs to be incurred by Transporter as

provided in this Section 3. Any such estimated billings shall be

reconciled to the actual costs of construction and any payments to

reflect such reconciliation shall be made within thirty (30) days of

receipt of Transporter's final invoice. Any amount paid by Shipper in

excess of the actual cost due Transporter shall be promptly refunded to

Shipper upon completion of the work or credited to Shipper's account

for future transportation.