Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 09/01/2005, Docket: RP05-454-000, Status: Effective

Original Sheet No. 105A Original Sheet No. 105A : Effective

GENERAL TERMS AND CONDITIONS (cont'd)

12.3 Prior Period Adjustments:

Any allocation data or corrections received by

Transporter after it has closed the previous month of

flow shall be handled as a prior period adjustment.

Transporter shall process late allocation data or

corrections of allocation errors as soon as

practicable. However, for Transportation Service

Agreements executed after June 1, 1997, Transporter

shall process late allocation data or corrections of

allocation errors as soon as

practicable but no later than six months after the

applicable month of flow in question with a three month

rebuttal period. These deadlines do not apply in the

case of deliberate omission or misrepresentation by a

party (or its representative) or mutual mistake of

fact. The parties? other statutory or contractual

rights shall not be diminished by this provision. The

correction shall be made to the month of flow with a

restated line item and a new total quantity of gas for

the specific day(s) and the respective month.