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. 171 Original Sheet No. 171 : Pending

RATE SCHEDULE DSS

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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

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, reflecting the sourcing of

the supply. Separate accounting shall be maintained by Natural for

each component on a continuous basis. Shipper's total storage balance

may not exceed its MSV except as otherwise provided in this Tariff.

Volumes in the two components of Shipper's storage balance are

subject to the following limits: volumes from Amarillo Line sources

residing in the Amarillo Storage Point included in such balance may

not at any time exceed fifty percent (50%) of Shipper's MSV and

volumes from Gulf Coast Line sources residing in the Gulf Coast

Storage Point may not at any time exceed sixty percent (60%) of

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). If

a Shipper's inventory hereunder exceeds its aggregate MSV, no Sourcing

Charge shall apply, but any applicable Overrun Charges under Section

12 of the General Terms and Conditions of this Tariff shall be

assessed. Notwithstanding payment of a Sourcing Charge, volumes in

each component of a Shipper's storage inventory shall remain in that

component until withdrawn or until transferred as set out below. A

Shipper's DSS storage account as of November 1 shall automatically be

adjusted so that, of its total DSS inventory, fifty percent (50%) of

the volume resides in the Amarillo Storage Point and fifty percent

(50%) of the volume resides in the Gulf Coast Storage Point. On any

day, a Shipper can request that a specified volume be transferred from

the Amarillo Storage Point to the Gulf Coast Storage Point, or vice

versa, within the limitations of Shipper's available rights to

maintain storage inventory in the component of its storage balance to

which the volume is being transferred, where such a transfer would

avoid charges hereunder or alleviate an actual or potential breach of

the limitations under this subsection (3). To implement such a

transfer, Shipper must specifically request such a transfer as part of

its timely nomination for that day and Shipper must make available

capacity to effectuate the transfer under an FTS or FTS-G Agreement

with a primary path which allows Natural to make the requested

transfer.