Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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

Third Revised Sheet No. 80 Third Revised Sheet No. 80

Superseding: Second Revised Sheet No. 80

GENERAL TERMS AND CONDITIONS

(Continued)

12. BILLING AND PAYMENT

12.1 (d) Billing (Continued)

3.3.15 Prior period adjustment time limits should be 6

months from the date of the initial transportation

invoice and 7 months from date of initial sales

invoice with a 3-month rebuttal period, excluding

government-required rate changes. This standard

shall not apply in the case of deliberate omission

or misrepresentation or mutual mistake of fact.

Parties' other statutory or contractual rights

shall not otherwise be diminished by this standard.

3.3.16 Prior period adjustments are reported by production

date, but they do not have to be invoiced

separately by production Month - nor is each

production Month a separate paper invoice page.

3.3.17 Party making payment should submit supporting

documentation; party receiving payment 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.

3.3.19 If invoice is in dispute, pay portion not in

dispute and provide documentation identifying basis

for the dispute.

3.3.20 The statement of account is separate from the

invoice as a transaction type.

3.3.21 The Statement of Account should report outstanding

balances by invoice.

3.3.23 On the Invoicing Web page of the Customer

Activities Web site, a mechanism should exist to

allow for the printing and download of the

Transportation Invoice for the current billing

Month.

Transporter hereby incorporates the requirements of above

sections into this Billing and Payment section.