Southern Natural Gas Company

Seventh Revised Volume No. 1

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Effective Date: 02/01/2001, Docket: RP01-205-000, Status: Effective

Second Revised Sheet No. 83 Second Revised Sheet No. 83 : Effective

Superseding: First Revised Sheet No. 83


Interruptible Storage Service



hours' notice to CUSTOMER whenever COMPANY, in its sole judgment,

deems such interruption necessary due to operating conditions or system

requirements, or to maintain the integrity of the system or to assure that

COMPANY can render service to higher priority customers.


(c) Services provided under this Rate Schedule shall have a priority

subordinate to any and all firm services provided by COMPANY. If

nominations for service under this Rate Schedule exceed on any day

COMPANY'S available capacity to provide such services that day,

COMPANY shall allocate available capacity among all SHIPPERS which

have a currently effective ISS Service Agreement based on the rate paid

for such service, and then pro rata among SHIPPERS paying the same rate. For

negotiated rate transactions in which SHIPPER is paying a rate higher than the maximum

rate SHIPPER shall be deemed to be paying the maximum rate for purposes of allocating

capacity. In the event a SHIPPER paying less than the maximum rate elects to pay the

maximum rate applicable to its service on any day when its capacity would otherwise be

allocated, SHIPPER'S ISS service will be queued up with other maximum rate

ISS services, SHIPPER must make such election by the nomination deadline

for the day capacity is to be allocated. Capacity shall be allocated hereunder

on a daily or such other periodic basis as is necessary for COMPANY to assure

service to its customers in accordance with the priorities set out herein and

to meet the operational requirements on its system.


In the event COMPANY notifies SHIPPER of an interruption of service

under this Rate Schedule, SHIPPER must cease deliveries to or receipts of

gas from COMPANY, in whole or in part, as directed by COMPANY.

COMPANY may also require SHIPPER within the time period specified

by COMPANY, which period shall be no less than five