Discovery Gas Transmission LLC

Original Volume No. 1

Effective Date: 10/01/2002, Docket: RP02-456-000, Status: Effective

Second Revised Sheet No. 147 Second Revised Sheet No. 147 : Effective

Superseding: First Revised Sheet No. 147

10. BILLING AND PAYMENT

10.1 BILLING - Transporter will render its bill on or before the ninth (9th)

Business Day of each Month for the charges incurred by each Shipper

during the previous Month computed in accordance with the Shipper's

applicable Rate Schedule.

Transporter will render a written invoice to Shipper, unless Shipper

requests that Transporter render an invoice using electronic medium

pursuant to the NAESB Standards. Both written and electronic invoices

will use the descriptions and charge codes set forth in the NAESB

Standards. Transportation invoices will specify all rate components.

Required invoice backup data will accompany or precede the invoice.

10.2 PAYMENTS - Shipper agrees to make payment to Transporter for

Transportation services or any other charges within ten (10) Days from

the date of invoice. Such payment shall include supporting

documentation including identification of invoice number(s) being paid.

Unless another suitable method of payment is agreed to by Transporter,

Shipper shall make payment by Automated Clearinghouse transfer or

Federal Reserve wire transfer to the bank designated by Transporter from

time to time on its invoice. Shipper making payment should submit

supporting documentation; party receiving payment (Transporter) should

apply payment per supporting documentation provided by the paying party;

and if payment differs from invoiced amount, remittance detail should be

provided with the payment except when payment is made by electronic

funds transfer (EFT), in which case, the remittance detail is due

within two Business Days of the payment due date. Should Shipper fail

to pay all of the amount of any bill for Transportation service or any

additional charges hereunder when such amount is due, interest on the

unpaid portion will accrue at an interest rate equal to the Commission's

stated Interest Rate in effect for the time the obligation to pay

interest is incurred, from the date due until the date payment is

received by Transporter.