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. 501 Original Sheet No. 501 : Effective

ISS RATE SCHEDULE

(Continued)

(ii) if, pursuant to Section 5 of the General Terms and

Conditions, Customer does not possess sufficient financial

stability to make it reasonably likely the service provided

will be paid for on a timely basis and Customer refuses to

prepay storage charges pursuant to Section 5.3 of the

General Terms and Conditions;

(iii) if the applicable ISS agreement has expired, and no rollover

agreement has been executed and, no FERC order or regulation

prohibits such action by Gulf South.

2. APPLICABILITY AND CHARACTER OF SERVICE

(a) This ISS Rate Schedule shall apply to all interruptible storage

service which is rendered by Gulf South pursuant to an executed

ISS agreement. The storage service provided under this ISS Rate

Schedule shall be performed under Subparts B and G of Part 284 of

the FERC's Regulations. Contracting for and nominating

transportation service to and from storage shall be the Customer's

sole responsibility.

(b) Service shall be provided on an interruptible basis. Under this

ISS Rate Schedule Gulf South shall only be obligated to store gas

or accept gas for storage or deliver gas from storage to Customer

to the extent Gulf South solely determines that such storage,

injection, and withdrawal level is not detrimental to Gulf South's

ability to satisfy any of its firm obligations under firm rate

schedules or meet system operational needs.