Colorado Interstate Gas Company

First Revised Volume No. 1

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Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Fifth Revised Sheet No. 231B Fifth Revised Sheet No. 231B

Superseding: Fourth Revised Sheet No. 231B

GENERAL TERMS AND CONDITIONS

(Continued)

1.36 "Hour" shall mean the 60-minute period beginning at the top of each

hour of the Gas Day and ending at the top of the next hour (i.e.

Hour 1 starts at 8:00 a.m. CCT and ends at 9:00 a.m. CCT).

1.37 "Hourly Entitlement Enhancement Nomination" or "HEEN" shall mean a

request submitted for the Timely or Evening Nomination Cycles under

Rate Schedule TF-1 or TF-4 by a Shipper for a prospective

Transportation transaction from a Point of Receipt to a Qualified

Point of Delivery. Further, the flow path for such Nomination must

be forward haul through at least two of the Hourly Entitlement

Enhancement Nomination Compressor Stations as listed on

Transporter's Information Postings Web Site. An Hourly Entitlement

Enhancement Nomination may be used to reserve capacity to support

non-uniform Hourly Deliveries as specified in Shipper's

Transportation Service Agreement ("TSA"). Hourly Entitlement

Enhancement Nominations must meet all other criteria for a valid

Nomination. However, the sum of all HEENs under an Agreement may not

be in excess of the Shipper's MDQ. An Hourly Entitlement Enhancement

Nomination may also be Delivered to an NNT Balancing Point. The

Scheduled Quantities for an Hourly Entitlement Enhancement

Nominations shall be distributed pro rata based on the Shipper's

firm capacity entitlements under the TSA at the related Primary

Points of Delivery.

1.38 "Injection Period" shall consist of the period commencing on May 1

of any year and continuing through October 31 of such year for CIG

Mainline Storage, the period commencing on June 1 of any year and

continuing through October 31 of such year for Young Storage and the

period commencing on June 1 of any year and continuing through

October 31 of such year for Totem Storage.

1.39 "Interconnecting Party" shall mean the Party or such Party's

designee that is responsible for operations of a natural Gas system

which interconnects with Transporter's pipeline system and is

responsible for verifying Nominations and scheduling Gas flow at

such Points of interconnections. An Interconnecting Party is also a

Confirming Party. Each Interconnecting Party is required to conform

to the schedules set forth in Section 6 of these General Terms and

Conditions of this Tariff, unless specifically exempted by

Transporter.

1.40 "Intraday Nomination" shall mean a Nomination submitted by a

Nominating Party after the Timely Nomination deadline set forth in

Section 6 of these General Terms and Conditions. Intraday

Nominations shall be accepted for the following cycles pursuant to

the schedule set forth in Section 6 of these General Terms and

Conditions: