National Fuel Gas Supply Corporation

Fourth Revised Volume No. 1

Effective Date: 04/21/2010, Docket: RP10-504-000, Status: Effective

First Revised Sheet No. 444 First Revised Sheet No. 444

Superseding: Original Sheet No. 444

GENERAL TERMS AND CONDITIONS

25. PROVISIONS APPLICABLE ONLY TO RATE SCHEDULES SS-1 AND SS-2 (Cont'd.)

25.4 Measuring Equipment (Cont'd.)

3. by estimating the Volume of Gas and/or Quantity of Gas

delivered by deliveries during periods under similar

conditions when the meter and/or other measuring

equipment was registering accurately.

(d) Accuracy of Measuring Equipment The accuracy of the

Transporter's measuring equipment shall be verified by the

Transporter at reasonable intervals, and if requested, in the

presence of representatives of the Buyer, but the Transporter

shall not be required to verify the accuracy of such equipment

more frequently than once in any 30 day period. In the event

either party shall notify the other that it desires a special

test of any measuring equipment, the parties shall cooperate

to secure a prompt verification of accuracy of such equipment.

25.5 Billing and Payment

(a) Demand Charge Statement. A statement to recover the

Deliverability and Capacity charges shall be delivered by

Transporter to Buyer before the end of each calendar month for

services to be provided hereunder during the next following

month.

(b) Injection/Withdrawal Charge Statement. A second statement

shall be delivered by Transporter to Buyer on or before the

tenth day of each calendar month for recovery of the

Injection/Withdrawal and excess service charges for gas

delivered hereunder during the preceding month. A schedule

shall also be provided each month showing the beginning and

ending Volumes of Gas and Quantities of Gas of Buyer in

storage during the month immediately preceding the month in

which the schedule is delivered, together with applicable

Volumes of Gas and Quantities of Gas delivered, Injection

Allowance, Volumes of Gas and Quantities of Gas Withdrawn, and

Withdrawal Allowance for the month.