K N Wattenberg Transmission LLC

Original Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-144-001, Status: Effective

First Revised Sheet No. 51 First Revised Sheet No. 51 : Effective

Superseding: Original Sheet No. 51

General Terms and Conditions - continued

7. BILLING.

a. Transporter shall prepare the invoice on or before

the ninth business day after the end of the

production month. When information necessary for

billing purposes is in the control of Shipper, such

information shall be delivered to Transporter by

Shipper on or before the fifth day of the month

following the month in which service was provided.

An imbalance statement will be rendered prior to or

with the invoice. Rendered is defined as

postmarked, time-stamped, and delivered to the

designated site.

b. Both Transporter and Shipper have the right to

examine at reasonable times those 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 hereof.

c. Each Month Transporter shall invoice Shipper for

any penalties which may be applicable. Shipper

shall pay Transporter such charges within 20 days

of the invoice date except where otherwise

specified in a rate schedule.

d. If the Shipper has service agreements in effect

with Transporter for both firm and interruptible

transportation service, then any gas volumes

transported by Transporter for Shipper shall first

be billed and accounted for as firm transportation

gas under Rate Schedule FT up to Shipper's MDTQ on

a daily basis. Any gas volumes transported by

Transporter in excess of such Shipper's MDTQ on a

daily basis shall be billed and accounted for as

interruptible transportation gas under Rate

Schedule IT.

e. Any gas volumes transported by Transporter in

excess of Shipper's firm MDTQ on a daily basis

shall be deemed as interruptible transportation and

billed at the maximum interruptible transportation

rate.