Mobile Bay Pipeline Company

Second Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-155-001, Status: Effective

First Revised Sheet No. 273 First Revised Sheet No. 273 : Effective

Superseding: Superseding Original Sheet No. 273

If Customer requires addition data to verify the invoice or imbalance

statement, Transporter will provide to Shipper on request, with timing of

supporting documentation to follow the timing of flowing gas

transactions.

designated bank account or by check and the funds shall be collected and

available to Transporter within ten (10) calendar days after the postmark

receipt of billing, except when such day is a Saturday, Sunday or bank

holiday, in which case payment is due the following business day

(hereinafter called Due Date), for service provided during the preceding

month, and billed by Transporter for said month. For purposes of this

section, the bill shall be deemed received by Shipper three (3) business

days after being postmarked by the U.S. Postal Service, one (1) business

day after being delivered to an overnight mail courier, or the same day

transmitted by telegraph, telex facsimile, or such other generally accepted

electronic means as Transporter may elect. All payments shall be

identified by invoice number.

Transporter hereunder when the same is due, then interest thereon shall

accrue at the current rate of interest on pipeline refunds established by

the Commission from the date such amount is due until the same is paid.

Transporter will notify Shipper of Shipper's failure to pay when timely

due and allow Shipper twenty (20) days from the day of such notice to

pay Transporter or to provide satisfactory assurance of payment in

conformance with Section 4.3(b). Should Shipper continue to fail to pay

Transporter the amount due or fail to provide satisfactory assurance for

such payment, then upon notice to the Shipper and the FERC,

Transporter may, thirty (30) days after such notice, suspend service to

Shipper and seek payment of the amount due, plus interest as provided

herein, in a court of competent jurisdiction or the FERC, as appropriate.

If Shipper has provided satisfactory assurance for the amount due and

continues to fail to make payment, then upon the expiration of forty-five

(45) days, Transporter may exercise its rights under the assurance.

adjustment time limits should be 6 months from the date of the initial

transportation invoice and 7 months from date of initial sales invoice with

a 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.