Caprock Pipeline Company

First Revised Volume No. 1

Effective Date: 09/01/1999, Docket: RP99-452-000, Status: Effective

First Revised Sheet No. 18A First Revised Sheet No. 18A : Effective

Superseding: Original Sheet No. 18A

8.7 If the invoice is in dispute, the Shipper shall pay the

portion not in dispute and provide documentation identifying the

basis for the dispute. The time limitation for disputes of

allocations should be six months from the date of the initial

month-end allocation with a three month rebuttal period. This

standard shall not apply in the case of deliberate omission or

misrepresentation or mutual mistake of fact. Parties other

statutory or contractual rights shall not otherwise be diminished

by this paragraph.

8.8 Transporter shall not be required to perform or to continue

service under any Rate Schedule for any Shipper who is or has become

insolvent or who, at Transporter's request, fails within a reasonable

period to demonstrate credit worthiness; provided, however, such Shipper

may receive service if Shipper prepays for such service or furnished good

and sufficient security, as determined by Transporter in its reasonable

discretion, in an amount equal to the cost of performing the service

requested by Shipper for a three (3) month period. Such cost of performing

the service shall include, but not be limited to, the projected cost of

transporting Shipper's gas or the equivalent of the cost of gas owed

Transporter by the Shipper under an imbalance.

ARTICLE IX

MISCELLANEOUS

9.1 Any modification of terms or amendment of provisions of

the Agreement shall become effective only by supplemental written

agreement between the parties.

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