Petal Gas Storage, L. L. C.

Original Volume No. 1

Effective Date: 05/01/2002, Docket: RP02-188-000, Status: Effective

Third Revised Sheet No. 124 Third Revised Sheet No. 124 : Effective

Superseding: Second Revised Sheet No. 124

GENERAL TERMS AND CONDITIONS (Continued)

14.5 Billing Disputes. If Customer withholds payment of any disputed amount

as authorized herein, Customer shall within ten (10) days after the due

date of the disputed invoice submit to Petal a written explanation of the

dispute and any available supporting documentation. The parties shall

then cooperate in good faith to resolve such dispute as expeditiously as

possible, and the portion, if any, of such disputed amount eventually

determined to be due shall bear interest at the rate stated in above

Section 14.4 from the original due date until the date actually paid.

14.6 Right to Audit. Both Petal and Customer shall have the right at their

own expense to examine and audit at any reasonable time the books,

records (including measurement, billing and payment) and charts of the

other to the extent necessary to verify the accuracy of any statements

or charges made under or pursuant to any of the provisions of Customer's

service agreement. Upon request, Customer shall also make available to

Petal for audit purposes any relevant records of the Interconnecting

Pipelines to which Customer has access. A formal audit of accounts

shall not be made more often than once each Contract Year. Any

inaccuracy will be promptly corrected when discovered; provided however,

that neither Petal nor Customer shall be required to maintain books,

records or charts for a period of more than two (2) Contract Years

following the end of the Contract Year to which they are applicable.

Neither Petal nor Customer shall have any right to question or contest

any charge or credit if the matter is not called to the attention of the

other in writing within two (2) years after the end of the Contract Year

in question.

15. TAXES

Customer shall reimburse Petal for all applicable taxes as may be assessed Petal

for the receipt, injection, storage, transportation, withdrawal and/or delivery

of Customer's gas. In addition, Customer shall reimburse Petal for Customer's

pro rata portion of all ad valorem taxes, property taxes and/or other similar

taxes. Customer shall reimburse Petal for all fees and charges, as required by

regulatory authorities, that are related to the service provided under

Customer's service agreement(s).