Overthrust Pipeline Company

First Revised Volume No. 1-A

Effective Date: 11/01/2000, Docket: RP01- 34-000, Status: Effective

First Revised Sheet No. 67E First Revised Sheet No. 67E : Superseded

Superseding: Substitute Original Sheet No. 67E

GENERAL TERMS AND CONDITIONS

If required to maintain operational stability and

system integrity, Overthrust may adjust all receipts and

deliveries on its system, even if shippers are within the ñ

10% imbalance tolerance limits.

Adjustments at each transmission transfer meter will

be made according to the affected Shipper's operational

balancing agreement (OBA) or pre-determined allocation

arrangement (PDA) with operators upstream of Overthrust's

transmission system. Absent written notice to Overthrust of

an OBA or PDA reflecting agreement of all affected Shippers'

deliveries of gas to Overthrust at a given transfer meter,

adjustments will be made pro rata according to each

Shipper's scheduled daily nomination. Overthrust must be

notified immediately of any changes to an existing OBA or

PDA. Shipper shall provide Overthrust a copy of any document

effecting changes to an OBA or PDA immediately upon

execution.

16.2 Monthly Balancing.

(a) A Shipper must maintain a monthly balance

between net receipts (receipts less lost and unaccounted-for

gas) and deliveries within the ñ 10% imbalance tolerance.

(b) For the determination of monthly imbalances,

Shippers' receipt or delivery volumes at each MAP point

shall be allocated according to the upstream or downstream

operator's operational balancing agreement (OBA) or pre-

determined allocation (PDA). Absent an OBA or PDA, volumes

will be allocated pro rata based on each Shipper's scheduled

nomination.

necessary, adjustments at each MAP point will be determined

according to the OBA or PDA in place at the time the volumes

were received or delivered. Absent an OBA or PDA,

adjustments will be pro rata according to each Shipper's

daily scheduled nomination.

(d) Overthrust will make monthly imbalance

information available to all Shippers through Questline on

or before the 9th business day of each month following the

month during which gas was transported. An imbalance

statement will be tendered to Shipper with Shipper's monthly

bill issued according to 17 of these General Terms and

Conditions.