Horizon Pipeline Company, L.L.C.

Original Volume No. 1

Effective Date: 04/18/2002, Docket: CP00-129-001, Status: Effective

Original Sheet No. 155 Original Sheet No. 155 : Effective

GENERAL TERMS AND CONDITIONS

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differs from the invoiced amount, remittance detail should be

provided with the payment except when payment is made by

electronic funds transfer in which case the remittance detail is

due within two (2) Business Days of the payment due date. Should

Shipper fail to pay any undisputed portion of any bill as herein

provided when such amount is due, interest on the unpaid portion

of the bill shall accrue at the maximum allowable interest

permitted under the Commission's Regulations. For any amount to

be considered "disputed," Shipper must provide appropriate

documentation supporting and identifying the basis for the

dispute. If Shipper fails to make payment in accordance with this

Section, Horizon may, in addition to any other remedy it may have

under this Tariff or under commercial law: (a) suspend

deliveries as provided in Section 3.8 of these General Terms and

Conditions; and (b) offset such deficient payments against any

payments, refunds or credits owed by Horizon to Shipper.

12.5 ADJUSTMENT OF ERRORS

(a) The time limitation for disputes of allocations

should be six (6) months from the date of the initial month-end

allocation with a three (3) 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 standard.

(b) Prior period adjustment time limits should be six

(6) months from the date of the initial transportation invoice

and seven (7) months from date of initial sales invoice with a

three (3) month rebuttal period, excluding government-required

rate changes. 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 standard.

twenty-four (24) months from the date of statements, billings or

payment, based on actualized volumes, unless the parties mutually

agree.

(d) Any error discovered as a result of a timely

claim shall be corrected within thirty (30) days of the

determination thereof. Parties' other statutory or contractual

rights shall not otherwise be diminished by this standard.