Overthrust Pipeline Company

First Revised Volume No. 1-A

Effective Date: 02/12/2001, Docket: GT01- 7-000, Status: Effective

Second Revised Sheet No. 67D Second Revised Sheet No. 67D : Superseded

Superseding: Sub. First Revised Sheet No. 67D

GENERAL TERMS AND CONDITIONS

(iv) Shipper is told by Overthrust that the

downstream confirming party did not conduct the confirmation;

(v) Shipper is told by Overthrust that the

downstream Shipper did not have the market or submit the

nomination.

This information shall be imparted to the Shipper on the

Scheduled Quantity document.

15.4 Nomination Standards and Requirements.

(a) Intra-day nominations may be used to nominate

new supply or market and request increases or decreases in

total flow, changes to receipt points, or changes to delivery

points of scheduled gas. Intra-day nominations do not

rollover (i.e., intra-day nominations span one day only).

Intra-day nominations do not replace the remainder of a

standing nomination. There is no need to re-nominate if

intra-day nomination modifies existing nomination.

(b) Overrun quantities shall be requested on a

separate transaction.

nominations, shall be based on a daily quantity; thus, an

intra-day nominator need not submit an hourly nomination.

Intra-day nominations shall include an effective date and

time. The interconnected parties shall agree on the hourly

flows of the intra-day nomination, if not otherwise addressed

in transporter's contract or tariff.

16. BALANCING OF GAS

16.1 Overthrust may require a Shipper to adjust its

receipts or deliveries, if necessary, in order to keep

Overthrust's system in balance. Overthrust will notify a

Shipper immediately upon determination that the Shipper's

receipts and deliveries exceed a daily imbalance tolerance of

plus or minus 10%. After notification by Overthrust that

an adjustment is necessary to keep its system in balance,

a Shipper will be afforded reasonable opportunity to remedy

its imbalance consistent with existing operational conditions.

Overthrust will make daily imbalance information available

through Questline each day for the prior gas day.