Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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Effective Date: 04/25/2007, Docket: RP07-360-000, Status: Effective

Original Sheet No. 95 Original Sheet No. 95 : Effective




(c) Shippers will not be permitted to trade imbalances in any

manner that will increase a shipper's imbalance on Overthrust's system.


(d) Trading of imbalances may only be between imbalances on

Overthrust's system.


(e) When a shipper desires to physically repay or take

deliveries of gas, either the shipper or the TPP must have the necessary

transportation, storage, receipt and delivery point capacity to allow for the

delivery of the gas.


(f) Neither the shipper nor the TPP may transport or trade gas

to which they do not hold title.


(g) Shipper shall remain primarily liable for its imbalances

under the provisions of § 16 of Overthrust's tariff governing the curing of



(h) The TPP will not be permitted to act as a shipper's agent

until Overthrust has received written notice from shipper. Shippers agree to

be bound by all transactions conducted by the TPP in the shipper's name.


16.12 Maintenance of System Integrity. Nothing in this section limits

Overthrust's right to take action as may be required, including the issuance

of OFOs, to adjust receipts and deliveries of gas in order to alleviate

conditions that threaten the integrity of its system, including maintenance

of service to higher priority customers. The declaration to the affected

parties of OFOs, critical periods, and/or critical notices shall describe the

conditions and the specific responses required from the affected parties.