National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 10/14/2004, Docket: RP04-591-000, Status: Effective

First Revised Sheet No. 342 First Revised Sheet No. 342 : Effective

Superseding: Original Sheet No. 342

GENERAL TERMS AND CONDITIONS

5. BILLING AND PAYMENT

5.1 Invoices

Transporter's invoice shall be based on actual measurement

information when such information is available; otherwise,

estimates based on the best available information shall be used.

With respect to receipt or delivery points covered by an

Operational Balancing Agreement, pursuant to Section 14.2 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.

5.2 Payments

Shipper shall pay Transporter by wire transfer of Federal Funds

which are made immediately available to Transporter at such bank

account as Transporter shall designate, on or before the twenty-

fifth (25th) day of the month in which the invoice is received,

for all services rendered by Transporter during the preceding

billing period, as shown by the invoice, except when the twenty-

fifth (25th) day of the month is a Saturday or Sunday or federal

bank holiday, in which case payment is due on the following

business day. Provided, however, a Shipper whose monthly invoice

total amount due is less than $50,000.00 may elect to make payment

by check to be received by Transporter on or before the twenty-

fifth (25th). Shipper shall identify each payment with the

invoice number specified by Transporter on the invoice to which

the payment relates. Transporter, in its sole discretion,

reserves the right to waive Shipper's underpayment on a final

invoice of an inactive account if the underpayment amount is

trivial.

5.3 Verification and Correction of Errors

Both Transporter and Shipper shall have the right to examine, at

reasonable times, books, records and charts of the other to the

extent necessary to verify the accuracy of any statement, charge

or computation made under or pursuant to any of the provisions of

the underlying gas sales contract or transportation contract. If

an error is discovered in any invoice, imbalance statement, or

storage summary, such error shall be adjusted, provided that the

claim of error and request for adjustment shall have been made

within six (6) months from the date of such statement (in the