Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

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Effective Date: 08/01/1999, Docket: RP99-411-000, Status: Effective

Second Revised Sheet No. 59B Second Revised Sheet No. 59B : Effective

Superseding: First Revised Sheet No. 59B

At the end of each gas day, Transporter should provide the final

scheduled quantities for the just completed gas day. With

respect to the implementation of this process via the 1.4.x

scheduled quantity related standards, Transporter should send an

end of gas day Scheduled Quantity document. Receivers of the end

of gas day Scheduled Quantity document can waive the

Transporter's sending of the end of gas day Scheduled Quantity

document.

4.4 Late Nominations. Requests for service received

after the nomination deadlines set forth in Section 4.8 shall be

considered Late Nominations. Late Nominations will be

accommodated if they do not interfere with operation of

Transporter's system or Transporter's ability to render other

scheduled service. In the event capacity remains available on

Transporter's system after service has been nominated and

scheduled in accordance with Sections 4.1, 4.2, 4.3 and 4.4

above, or capacity becomes available either (i) due to requests

from Shippers which have previously scheduled service to change

such scheduled service, or (ii) due to operational or weather

situations which permit Transporter to render additional

service without compromising service already scheduled,

Transporter will accept Late Nominations and shall endeavor, but

shall not be obligated, to provide service which implements such

Late Nominations.