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. 98 Original Sheet No. 98 : Effective




17.8 Any billing or statement may be contested within 180 days from its

receipt by Shipper. If invoice is in dispute, Shipper shall pay the portion

not in dispute and provide documentation identifying basis for the dispute.

Overthrust shall have 90 days to provide its rebuttal. This time limit shall

not apply in cases of deliberate omission, misrepresentation or mutual

mistake of fact.


If Shipper (i) contests all or any part of a bill in good faith, (ii)

pays to Overthrust the amounts it concedes to be correct, (iii) provides

documentation identifying the basis of the dispute and (iv) within 30 days of

a demand made by Overthrust, furnishes a surety bond guaranteeing payment in

the amount of the disputed portion of the bill, then Overthrust may not

suspend further delivery of gas unless default has occurred under the

conditions of the bond. No payment by Shipper of the amount of a disputed

bill shall prejudice the right of shipper to claim an adjustment of the

disputed bill. Shipper shall pay interest on disputed portions of a bill for

which shipper has withheld payment, and which ultimately are found due,

according to the provisions of this tariff.


17.9 If an error is discovered in the amount of any bill, the error

shall be adjusted within 30 days of the determination that an adjustment is

required, provided that the claim for adjustment shall have been made within

180 days from the date of the bill. If it is determined that Shipper has

been overcharged, and Shipper has paid the statement containing the

overcharge then, within 30 days after the final determination, Overthrust

shall refund the amount overcharged with interest at the rate prescribed by

18 C.F.R. § 154.501(d). If it is determined that Shipper has been

undercharged, Shipper shall pay the amount undercharged with appropriate

interest within 30 days of notice by Overthrust of the amount. Provided,

however, no adjustment will be made to any statement more than 24 months from

the date of such statement unless disputed within 180 days from its receipt

by Shipper. In the event that any portion of a statement is in dispute,

payment of the disputed portion shall not be deemed a waiver of the right to

contest such disputed portion in any forum having jurisdiction.


17.10 Prior Period Adjustments. Prior period adjustment-time limits

shall be 6 months from the date of the initial transportation invoice and 7

months from date of initial sales invoice with a 3-month rebuttal period,

excluding government-required rate changes. This standard shall not apply in

cases of deliberate omission, misrepresentation or mutual mistake of fact.

Parties' other statutory or contractual rights shall not otherwise be

diminished by this standard.


17.11 Billing For Released Capacity.


(a) A releasing Shipper will be billed the reservation charges

associated with the entire amount of the