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. 185 Original Sheet No. 185 : Pending

RATE SCHEDULE DSS

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8. OPERATING CONDITIONS

(a) Operating conditions at Receipt Point(s) for nominated

firm transportation service hereunder and operating conditions at

Delivery Point(s) for any service hereunder shall be governed by

Sections 5, 7 and 8(b) of this Rate Schedule DSS and the General

Terms and Conditions of this Tariff. Operating conditions related to

injections and withdrawals hereunder shall be governed by Sections 5,

7 and 8(b) of this Rate Schedule DSS and the General Terms and

Conditions of this Tariff.

(b) Shipper shall arrange separately for the transportation

of gas to Natural's Iowa-Illinois Receipt Zone storage point(s) in

connection with delivered firm storage service under this Rate

Schedule DSS. Shipper shall make all necessary arrangements

separately with Natural or other parties upstream of the point where

gas is tendered to Natural in the Iowa-Illinois Receipt Zone for

transportation of gas pursuant to nominated firm transportation

service hereunder. Shipper is also responsible for all arrangements

downstream of the Delivery Point(s). Such arrangements must be

consistent with this Rate Schedule DSS and must be coordinated with

Natural, subject to the no-notice aspects of the delivered firm

storage service being provided under the DSS Agreement. To be

eligible for service hereunder, Shipper or its supplier or purchaser

must comply with all applicable provisions of any separate

transportation Agreement(s) and any applicable Rate Schedule(s) and

the applicable General Terms and Conditions.

delivered service under Rate Schedule DSS. Shippers will provide

working gas for such service as set out in Section 5 of this Rate

Schedule DSS.

(d) Shipper must have all of its gas withdrawn by the end of

the term of a DSS Agreement (or Agreement under a successor service)

which is not rolled over or extended. Such withdrawals may be

effectuated through an in-field transfer, subject to the then

applicable rules governing such transfers. If at any time service

pursuant to this Rate Schedule DSS (or successor service) and/or a

DSS Agreement (or Agreement under a successor service) is cancelled

or terminated prior to the end of the term specified in the DSS

Agreement (or successor Agreement), Shipper shall be required to

withdraw its gas over a period of time determined by dividing: (1)

the volume of gas Shipper is required to withdraw, by (2) fifty

percent (50%) of Shipper's MDQ; provided, however, that if service is

being terminated pursuant to Section 19.19 of the General Terms and

Conditions of this Tariff, the withdrawal period shall be equal in