Caprock Pipeline Company

First Revised Volume No. 1

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

Original Sheet No. 25C Original Sheet No. 25C : Effective

13.13 BILLING

(a) Transporter shall bill the Replacement Shippers and

the Subreplacement Shippers the rate(s) specified in the Released

Firm Transportation Agreements and any other applicable charges and

each such Replacement Shipper and Subreplacement Shipper shall pay

the billed amounts directly to Transporter. Transporter shall have

the right to discount the commodity rates under the Released Firm

Transportation Agreement. Transporter will support volumetric

releases with volumetric commitments by fully accounting for

volumetric and reservation components, consistent with the rules and

regulations enunciated by the Federal Energy Regulatory Commission.

(b) A Releasing Shipper shall be billed the reservation

charge associated with the entire amount of released capacity

pursuant to its contract rate, which includes all non-commodity based

charges under Transporter's Tariff for such released capacity

including but not limited to additional direct-bill charges, with a

concurrent conditional credit for payment of the reservation charge

due from the Replacement or Subreplacement Shipper(s), as applicable,

which received the released capacity. As to any capacity released by

a Releasing Shipper, the Releasing Shipper shall not be billed or be

responsible for: (1) commodity charges; (2) scheduling charges or

cashouts of imbalances; and (3) add-on charges and surcharges

applicable to Transporter's commodity rates under Transporter's

Tariff such as ACA, Fuel Gas and Unaccounted For Gas, which are

incurred by a Replacement Shipper or Subreplacement Shipper which

received the released capacity.