Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

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Effective Date: 11/02/1998, Docket: RP98-421-000, Status: Effective

Original Revised Sheet No. 60C Original Revised Sheet No. 60C : Effective

4.8 Nomination Cycles. The following are the standard

nomination cycles:

(i) The Timely Nomination Cycle: 11:30 am for nominations

leaving control of the nominating party; 11:45 am for receipt of

nominations by Transporter; noon to send Quick Response; 3:30 pm

for receipt of completed confirmations by Transporter from

upstream and downstream connected parties; 4:30 pm for receipt

of scheduled quantities by Shipper and point operator (Central

Time on the day prior to flow).

(ii) The Evening Nomination Cycle: 6:00 pm for nomina-

tions leaving control of the nominating party; 6:15 pm for

receipt of nominations by Transporter; 6:30 pm to send Quick

Response; 9:00 pm for receipt of completed confirmations by

Transporter from upstream and downstream connected parties;

10:00 pm for Transporter to provide scheduled quantities to

affected shippers and point operators, and to provide scheduled

quantities to bumped parties (notice to bumped parties), (Central

Time on the day prior to flow). Scheduled quantities resulting

from an Evening Nomination that does not cause another Shipper

on Transporter to receive notice that it is being bumped should

be effective at 9:00 am Central Time on the gas day; and when

an Evening Nomination causes another Shipper on Transporter to

receive notice that it is being bumped, the scheduled quantities

should be effective at 9:00 am Central Time on the gas day.

(iii) The Intraday-1 Nomination Cycle: 10:00 am for

nominations leaving control of the nominating party; 10:15 am

for receipt of nominations by Transporter; 10:30 am to send

Quick Response; 1:00 pm for receipt of completed confirmations

by Transporter from upstream and downstream connected parties;

2:00 pm for Transporter to provide scheduled quantities to

affected Shippers and point operators, and to provide scheduled

quantities to bumped parties (notice to bumped parties),

(Central Time on the gas day). Scheduled quantities resulting

from Intraday-1 Nominations should be effective at 5:00 pm

Central Time on the gas day.

(iv) The Intraday-2 Nomination Cycle: 5:00 pm for

nominations leaving control of the nominating party; 5:15 pm for

receipt of nominations by Transporter; 5:30 pm to send Quick

Response; 8:00 pm for receipt of completed confirmations by

Transporter from upstream and downstream connected parties;

9:00 pm for Transporter to provide scheduled quantities to

affected Shippers and point operators (Central Time on the gas

day). Scheduled quantities resulting from Intraday-2 Nominations

should be effective at 9:00 pm. Central Time on the gas day.

Bumping is not allowed during the Intraday-2 Nomination Cycle.