Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 09/01/1993, Docket: RS92- 25-005, Status: Effective

Original Sheet No. 384 Original Sheet No. 384 : Effective

RATE SCHEDULE USS (Continued)

UNBUNDLED SALES SERVICE

FORM OF SERVICE AGREEMENT

written request of Trunkline, provide such credit arrangements as are

reasonably satisfactory to Trunkline for so long as Buyer's credit

appraisal is unsatisfactory. In complying with such request, Buyer

shall not be required to provide credit arrangements in excess of an

amount equal to the DCQ multiplied by ninety (90), multiplied by $_____.

If Buyer fails to provide such credit arrangements within thirty (30)

days following Trunkline's written request, Trunkline may suspend

deliveries hereunder until such credit arrangements are provided.

5.2 An invoice shall be submitted by Trunkline to Buyer on or

before the tenth (10th) day of each month showing the Quantity of Gas

delivered to Buyer hereunder. Payment of the amount specified in

Trunkline's invoice shall be made by Buyer by electronic transfer, in

accordance with Section 16.2 of Trunkline's FERC Gas Tariff, and on or

before the twentieth (20th) of each month, or if Trunkline's invoice is

not submitted by the tenth (10th), within ten (10) days of the date of

Trunkline's invoice. If the actual total Dt delivered is not available,

billing and payment shall be done based on the estimated amounts, with

subsequent correction to actual totals as available.

5.3 Payments shall be sent by electronic transfer by Buyer to

Trunkline at Trunkline's Account No. ___________ or such other bank(s)

or account(s) as Trunkline may, from time to time, designate. If Buyer

pays by electronic transfer, payment shall be considered to have been

made on the date when such payment is transferred by Buyer to

Trunkline's Account. However, if the total payment due from Buyer in

any given month is less than $50,000.00, Buyer may make such payment by

check sent to the following address:

Trunkline Gas Company

P.O. Box _____________

Houston, TX __________

or such other address as Trunkline may, from time to time, designate.

5.4 Should Buyer fail to pay all or part of any invoice on or

before the due date, interest shall accrue at an average prime interest

rate computed in a manner consistent with Section 154.67(c)(2)(iii) of

the Commission's Regulations, from the due date until date of payment.