Northern Border Pipeline Company

First Revised Volume No. 1

Effective Date: 03/22/2010, Docket: RP10-385-000, Status: Effective

Eighth Revised Sheet No. 236 Eighth Revised Sheet No. 236

Superseding: Seventh Revised Sheet No. 236

GENERAL TERMS AND CONDITIONS

6. BILLING AND PAYMENT (Continued)

6.4 Delinquency Charge

Should customer fail to pay all of the amount of any

invoice when such amount is due, interest on the unpaid

portion of such amount shall accrue at the rate of interest

set forth in Section 154.501 of FERC's regulations from the

date when the payment was due until the date payment is

made. Interest applicable to such bill will be invoiced to

customer, in accordance with Subsection 6.2 hereof, to the

extent that the amount of interest is $25 or more.

If any portion of an amount so paid to Company by customer

is finally determined to be repayable to customer, Company

shall pay or credit such amount to customer, together with

interest thereon computed at the rate of interest set forth

in Section 154.501 of FERC's regulations and accrued from

the date payment thereof was made by customer to Company to

the date payment or credit thereof is made by Company.

6.5 Late Billing

If the rendering of an invoice to customer is delayed

beyond the date provided in Subsection 6.2 hereof, then the

time for payment shall be extended correspondingly unless

customer is responsible for such delay.

6.6 Billing Error/Prior Period Adjustments

In the event an error is discovered in the amount billed in

any statement rendered by Company, such error shall be

adjusted within 30 days of the determination thereof.