Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

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

Original Sheet No. 196 Original Sheet No. 196 : Pending

RATE SCHEDULE NSS

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(2) While Natural shall allocate injections and

withdrawals by leg on a daily basis, overruns of daily rights by leg

shall be evaluated on a monthly basis. Shipper shall only be subject

to overrun charges with respect to such daily rights by leg if and to

the extent its total injections or withdrawals by leg hereunder during

any month exceed the sum of its daily injection or withdrawal rights,

as applicable, for that month. If Natural accepts confirmed

nominations for authorized overrun of such rights on a leg on any day,

the volume authorized in excess of Shipper's firm daily rights shall

be added to the sum of its daily rights for that leg for the month

but, unless otherwise agreed, an equal volume shall be subtracted from

the sum of daily rights for the other leg for that month.

Notwithstanding the foregoing, Natural shall continue to evaluate

overrun of total IQ and WQ under any Agreement, and assess any

corresponding Overrun Charges, on a daily basis.

(3) Shipper's storage balance shall be divided

into Amarillo and Gulf Coast components. Separate accounting shall be

maintained by Natural of each component on a continuous basis.

Shipper's total balance may not exceed its MSV except as otherwise

provided in this Tariff. Volumes in the two components of Shipper's

storage balance hereunder are subject to limits set out in the

remainder of this subsection. Each contract shall specify the

percentage of service to which Shipper is entitled on the Amarillo

Line (Amarillo Percentage) and the percentage of service to which

Shipper is entitled on the Gulf Coast Line (Gulf Coast Percentage).

The sum of such percentage shall be 100%. Volumes from Amarillo Line

sources residing in Amarillo Line storage points included in such

balance may not at any time exceed Shipper's Amarillo Percentage times

Shipper's MSV and volumes from Gulf Coast Line sources residing in

Gulf Coast Line storage points included in such balance may not at any

time exceed 107% of Shipper's Gulf Coast Percentage (up to 100%) times

Shipper's MSV. A Shipper which breaches the limitations in this

subsection (3) on any day shall pay a Sourcing Charge as set out on

the rate sheets of this Tariff for that day multiplied by the excess

volume (in Dth); provided, however, that no Sourcing Charge shall

apply prior to April 1, 1996 (when trading rights are implemented).

Payment of a Sourcing Charge hereunder shall not affect the location

of any storage volumes nor shall any volumes be deemed transferred to

storage points on the other leg as a result of Shipper having paid

such a charge. If a Shipper's total storage balance hereunder exceeds

its MSV, no Sourcing Charge shall apply, but ordinary Authorized or

Unauthorized Overrun Charges under Section 12 of the General Terms and

Conditions of this Tariff shall be assessed.