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. 88 Original Sheet No. 88 : Effective

GENERAL TERMS AND CONDITIONS

15.3 Unconfirmed nomination procedures shall conform to NAESB Standard

1.3.22(i)-(iv) as follows:

(a) With respect to the timely nomination/ confirmation process

at a receipt or delivery point, in the absence of agreement to the contrary,

the lesser of the confirmation quantities should be the confirmed quantity.

If there is no response to a Request For Confirmation or an unsolicited

Confirmation Response, the lesser of the confirmation quantity or the

previously scheduled quantity should be the new confirmed quantity.

(b) With respect to the processing of requests for increases

during the intraday nomination/confirmation process, in the absence of

agreement to the contrary, the lesser of the confirmation quantities should

be the new confirmed quantity. If there is no response to a Request For

Confirmation or an unsolicited Confirmation Response, the previously

scheduled quantity should be the new confirmed quantity.

(c) With respect to the processing of requests for decreases

during the intraday nomination/confirmation process, in the absence of

agreement to the contrary, the lesser of the confirmation quantities should

be the new confirmed quantity, but in any event no less than the elapsed-

prorated-scheduled quantity. If there is no response to a Request For

Confirmation or an unsolicited Confirmation Response, the greater of the

confirmation quantity or the elapsed-prorated-scheduled quantity should be

the new confirmed quantity.

(d) With respect to § 15.3 (a)-(c) above, if there is no

response to a Request For Confirmation or an unsolicited Confirmation

Response, Overthrust shall provide the Shipper with the following information

to explain why the nomination failed, as applicable:

(i) Overthrust did not conduct the confirmation;

(ii) Shipper is told by Overthrust that the upstream

confirming party did not conduct the confirmation;

(iii) Shipper is told by Overthrust that the upstream

Shipper did not have the gas or submit the nomination;