Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

Effective Date: 04/18/2008, Docket: RP08-319-000, Status: Effective

Original Sheet No. 134 Original Sheet No. 134 : Pending

RATE SCHEDULE IBS

INTERRUPTIBLE BALANCING SERVICE

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(g) COMMISSION-REQUIRED FILING INFORMATION

The following information is to be provided at the

time a request for service hereunder is submitted, if available, or

when the initial Access Request for balancing service under an

executed IBS Agreement is submitted, and when any subsequent changes

occur:

(1) Affiliation of the Shipper with Natural; and

(2) The identity of the Shipper, including whether it

is a local distribution company, an interstate pipeline company, an

intrastate pipeline company, an end user, a producer, or a marketer.

4. TERM

(a) The term of service hereunder shall be set forth in

the IBS Agreement between Shipper and Natural. The term provision

must state that the IBS Agreement will terminate upon termination or

expiration, and will be suspended upon release (if the release is

partial, the suspension will be partial corresponding to the partial

nature of the release), of the FTS, FTS-G or ITS Agreement to which

the IBS Agreement is linked unless the parties mutually agree to

substitute a new linked transportation Agreement. Where any

specified end-use facility is not directly connected to Natural's

system, the IBS Agreement will not apply to that end-use facility

unless an IBS Monitoring Agreement covering that end-use facility is

in effect.

(b) Upon termination or expiration of any IBS Agreement,

service by Natural to Shipper thereunder shall cease and shall be

automatically abandoned.

required by the FERC or some other agency or court to provide service

for others utilizing the interruptible system capacity or capability

required for service under such IBS Agreement or if Natural ceases

(after receipt of any requisite regulatory authorization) to offer

service of the type covered by the IBS Agreement; provided, however,

that nothing herein shall be read to protect Natural from the

consequences of its own negligence.