Westgas Interstate, Inc.

First Revised Volume No. 1

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Effective Date: 11/01/2000, Docket: RP01- 55-001, Status: Effective

Original Sheet No. 47A Original Sheet No. 47A : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

(a) Shippers are responsible for making whatever

arrangements they deem necessary to finalize and

document the imbalance trade between themselves.

(b) Shippers may post notice of imbalances

available for trade on Transporter's Electronic

Bulletin Board. Shippers may also request

Transporter, in writing, to post notice of

imbalances available for trade on Transporter's

Electronic Bulletin Board for the Shipper.

Imbalances to be posted for trading must be

authorized by the Shipper. Authorizations to post

imbalances that are received by Transporter by

11:45 a.m. shall be effective by 8:00 a.m. the

next Business Day (central clock time).

Imbalances previously authorized for posting

should be posted on or before the ninth Business

Day of the Month. Posted imbalances may be viewed

and downloaded upon request. Transporter shall

not be required to post zero imbalances.

(c) Imbalance trading will be allowed between the

ninth and seventeenth Business Day of each month.

Transporter will provide the ability to post and

trade imbalances until the close of the

seventeenth Business Day of the Month.

(d) Only trades which have the effect of reducing

imbalances on individual service agreements shall

be permitted.

(e) Shipper must notify Transporter in writing of

the material terms of the trade arrangement. When

trading imbalances, a quantity must be specified.

Shipper's written notice will be deemed to be the

Shipper's direction to Transporter to make the

imbalance trade on the Shipper's account.

Imbalance trades can only be withdrawn by the

initiating trader and only prior to the confirming

trader's confirmation of the trade. Imbalance

trades will be considered final when confirmed by

the confirming trader and effectuated by

Transporter. After receipt of an imbalance trade

confirmation, Transporter will post trade results

on its Electronic Bulletin Board.