Gulf South Pipeline Company L P

Sixth Revised Volume No. 1

Effective Date: 12/31/2000, Docket: GT01- 6-000, Status: Effective

Original Sheet No. 5102 Original Sheet No. 5102 : Effective

(5) Estimated metered quantities shall be used on a daily basis,

during the current month, to determine the estimated Operational

Imbalance at the Interconnection Point, with physical flow

adjustments to be made during the current month as mutually agreed

to by both Parties to adequately control imbalance levels.

(6) For the previous month activity, prior to the last day of such

month or within five (5) business days following the end of such

month, the Parties shall reconcile and confirm in writing the

nominations received by each from shippers for whom the Parties

delivered or received gas at the Interconnection Point. Any

changes to such confirmed nominations shall be effective only if

agreed to in writing by both Parties. Such written communication

shall be provided by Gulf South and shall be in the form set out

on the attached Exhibit 3 or in any other form mutually agreeable

to the Parties.

(7) For the purpose of accounting for the previous month, the physical

flow at the Interconnection Point each month will be determined

and communicated by Gulf South to _________ in writing as soon as

possibile, but in no case later than the tenth (10th) business day

of the month following the month in question. Physical flows

shall be determined pursuant to the applicable provisions of

measuring party's then effective FERC Gas Tariff or Operating

Statement; provided however, the Parties may agree to standards

more stringent than the point operator's then effective FERC Gas

Tariff or Operating Statement. Any Operational Imbalance for any

calendar month shall be agreed to in writing within twenty (20)

days of the end of such month in the format set forth on the

attached Exhibit 3 or in any other format mutually agreeable to

the Parties. Such Operational Imbalance shall be corrected in a

manner mutually agreed to within thirty (30) days beginning the

month immediately following the month in which the Operational

Imbalance is agreed to in writing by the Parties or within such

longer period of time as is mutually agreed to in writing by the

Parties. The Operational Imbalance shall be cleared in the

following month in accordance with Section 20 of the General Terms

and Conditions or by scheduling a uniform flow or as mutually

agreed to in writing by the Parties. The thirty (30) day

correction period shall be extended for any capacity constraints

occurring on either party's system.