Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

Effective Date: 04/12/2010, Docket: RP10-491-000, Status: Effective

Fifth Revised Sheet No. 81 Fifth Revised Sheet No. 81

Superseding: Fourth Revised Sheet No. 81

GENERAL TERMS AND CONDITIONS

(Continued)

12. BILLING AND PAYMENT

12.1(d)Billing (Continued)

When information necessary for billing purposes is in the control

of a Shipper, Shipper shall furnish such information to

Transporter on or before the fifth (5th) Business Day of the

Month with respect to Deliveries of Gas during the previous

Month. Information received after this deadline may not be

included in the monthly allocation process.

12.2 Payment and Late Charge

(a) Payment. Each Shipper shall pay Transporter in immediately

available funds, at its general office or at such other

address as Transporter shall designate, within 10 days of

receipt of the invoice for the preceding month. Unless

otherwise specified in an applicable Tariff, General Terms

and Conditions, or contract, the effective payment due

date of an invoice when such due date does not fall upon a

Business Day (as defined in NAESB Standard 3.2.1) should

be the first Business Day following the due date. (NAESB

Standard 3.3.25) Payment received from Shipper shall be

accompanied by a payment remittance statement setting

forth the total payment and amount of payment to apply to

late charges pursuant to Section 12.2(b) and each

outstanding invoice by invoice number. Subject to Section

12.2(b), Transporter shall apply payment per the payment

remittance statement. If the invoice is in dispute,

Shipper shall pay the portion not in dispute and provide

documentation identifying the basis for the dispute. Any

invoice Rendered or furnished via email or other methods

described in Section 12 by Transporter which is received

by Shipper after the (9th) Business Day of the Month shall

not extend the time of payment of such invoice unless

Transporter is responsible for such delay.