Caprock Pipeline Company

First Revised Volume No. 1

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

Original Sheet No. 25D Original Sheet No. 25D : Effective

does not make payment to Transporter of the reservation portion of the

charges due as set forth in its Released Firm Transportation Agreement,

Transporter shall bill the Releasing Shipper(s) from whom such

Replacement or Subreplacement Shipper received the capacity for the

amount(s) due, including all applicable late charges authorized by

Transporter's Tariff, and such amount shall be paid by such Releasing

Shipper within ten (10) days of the receipt of such billing, or

interest shall continue to accrue. In the event that the Replacement or

Subreplacement Shipper has not paid such amount(s) due by the end of

such ten (10) day period, then: (1) the Releasing Shipper has the

right to recall the capacity; and (2) Transporter's rights against the

delinquent Replacement/Subreplacement Shipper shall be subrogated to

the related rights of the Releasing Shipper. Transporter shall make a

reasonable effort to collect from the Replacement/Subreplacement

Shipper the amount(s) due. Such reasonable effort shall not include

incurring costs from outside attorneys, collection agents or other

third parties.

(d) All payments received from a Replacement or

Subreplacement Shipper shall first be applied to reservation charges,

then to late charges on reservation charges, then to scheduling

charges and cashout amounts, then to late charges not on the

reservation charges, and then last to commodity-based charges.

Payments by Replacement or Subreplacement Shippers in excess of the

total amount(s) due for the Released Firm Transportation Agreement

capacity shall be a credit applied to any outstanding balance owed

under any contract with Transporter, or a refund if requested in

writing and no such outstanding balance exists.

13.14 NOMINATIONS/SCHEDULING; RECALLS AND REPUTS

All Replacement and Subreplacement Shippers shall nominate and schedule

natural gas for service hereunder directly with Transporter in

accordance with the applicable procedures set forth in Section 16

of these Genaral Terms and Conditions. In order for any capacity

recall or capacity reput to be effective for a day, a Releasing

Shipper must give prior notice of such recall or reput and any

allocation of the capacity for a partial recall or reput to

Transporter, and to the Replacement Shipper or Subreplacement Shipper

from which the capacity is recalled or to whom the capacity is reput,

no later than 8:00 a.m. Central Clock Time on the day the regularly-

scheduled nomination for service related to the recalled

capacity is due under Section 6 of each of the Rate Schedules.

All recalls and reputs shall be effective as of the