Iroquois Gas Transmission System, L.P.

FIRST REVISED VOLUME NO. 1

Effective Date: 11/01/1997, Docket: RP97-161-009, Status: Effective

Original Sheet No. 57C Original Sheet No. 57C : Effective

If due to any cause whatsoever Transporter is unable on

any day to satisfy all nominations for service through any

pipeline segment nominated pursuant to the procedures in Section

4.1 above, then Transporter shall allocate available service in

the constrained segment (exclusive of Backhaul and Exchange

Transportation service) according to the following allocation

procedure:

(1) First, Transporter shall accept all

nominations for service at Primary Receipt and Delivery Point(s)

under Gas Transportation Contracts for Firm Reserved Service,

including nominations for transportation of "make up" quantities

in accordance with Sections 6 and 20. For purposes of

allocating mainline capacity pursuant to this paragraph, any

nomination for service at an Alternate Receipt Point located

downstream of a Shipper's Primary Receipt Point