Columbia Gulf Transmission Company

Second Revised Volume No. 1

Effective Date: 04/01/2004, Docket: RP00-326-004, Status: Suspended

Second Revised Sheet No. 92 Second Revised Sheet No. 92 : Suspended

Superseding: First Revised Sheet No. 92

IMS RATE SCHEDULE

IMBALANCE MEASUREMENT SERVICE (Continued)

(d) Service under this Rate Schedule shall be provided on an interruptible basis and shall be

available only to the extent that capacity is available from time to time. Service provided hereunder shall

have the priority specified in Section 7 (Capacity Allocation) of the General Terms and Conditions and shall

be subject to interruption as provided in this Rate Schedule and in Section 16 (Interruptions of Service) of

the General Terms and Conditions. Further, service under this Rate Schedule shall be subject to operational

flow orders to the extent provided in this Rate Schedule and in Section 17 (Operational Flow Orders) of the

General Terms and Conditions.

(e) Shipper shall not exceed the Maximum Parked Account Balance Quantity or Maximum Loaned

Account Balance Quantity set forth in Shipper's IMS Service Agreement.

(f) The points on Transporter's system at which service may be available under this Rate Schedule

shall be maintained on a Master List of Interconnections (MLI) that Transporter shall post on its EBB. The

points on the MLI may be incorporated by reference in Shipper's IMS Service Agreements.

(g) Service rights under an IMS Service Agreement may not be released or assigned.

3. NOMINATING AND SCHEDULING

(a) Shipper shall nominate and Transporter shall schedule under this Rate Schedule pursuant to

the provisions of Section 5 of this Rate Schedule and Section 6 (Nominating, Scheduling and Monitoring) of the

General Terms and Conditions. Shipper may request that Transporter submit nominations on Shipper's behalf

under this Rate Schedule in situations where Shipper's receipt and delivery quantities are not in balance

("Automatic Nomination Option"). Shipper's election of this Automatic Nomination Option shall be set forth in

its IMS Service Agreement. Shipper shall not be obligated to elect the Automatic Nomination Option in order

to receive service under this Rate Schedule.

(b) Whenever quantities are parked or a loaned quantity returned under this Rate Schedule, such

quantities shall be added to the Shipper's net IMS Account Balance. Whenever quantities are loaned or a

parked quantity removed under this Rate Schedule, such quantities shall be subtracted from the Shipper's IMS

Account Balance. Whenever Shipper's IMS Account Balance equals a positive quantity, Shipper will be deemed to

have an IMS Parked Account Balance Quantity. Whenever Shipper's IMS Account Balance equals a negative

quantity, Shipper will be deemed to have an IMS Loaned Account Balance Quantity.

4. RATE

(a) The charges to be paid by Shipper, as set forth in Section 4(b) below, on any Day, shall be

no higher than the applicable total effective maximum rate charge and no lower than the applicable total

effective minimum rate charge set forth in the currently effective Sheet No. 19B of this Tariff, unless

otherwise mutually agreed to by Transporter and Shipper with respect to the charges identified in Section 4(b)

below. Transporter shall post on its EBB a separate daily effective rate for IMS Parked Account Balance and

IMS Loaned Account Balance.