Mississippi River Transmission Corp.

Third Revised Volume No. 1

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Effective Date: 11/01/1998, Docket: RP99- 67-002, Status: Effective

Sub Original Sheet No. 120B Sub Original Sheet No. 120B : Superseded

Superseding: Original Sheet No. 120B

GENERAL TERMS AND CONDITIONS

(Continued)

8. NOMINATIONS, SCHEDULING, AND CURTAILMENT (Continued)

(i) Intraday nominations can be used to nominate

new supply or market or to request increases or decreases

in total flow, changes to receipt points, or changes to

delivery points of scheduled gas.

(ii) Intraday nominations do not rollover (i.e.

intraday nominations span one (1) day only). Intraday

nominations do not replace the remainder of a standing

nomination. There is no need to re-nominate if intraday

nomination modifies existing nomination.

(iii) MRT will give scheduling priority to service under

Rate Schedule NNTS and intraday nominations submitted by firm

Customers over nominated and scheduled and/or flowing

quantities for interruptible Customers. Otherwise, MRT will

not accept or confirm an intraday nomination that would result

in a change to any other Customer's or Pool Operator's

scheduled and flowing quantities for that day without their

prior consent. MRT will provide advance notice using the

mechanisms provided for in Section 9.6 below for notifying

Customers of OFOs to interruptible Customers of reductions

in scheduled and/or flowing quantities resulting from intraday

nominations by firm Customers in accordance with Section

8.1(f)(i) above. MRT will notify any such interruptible

customer if any penalties will apply on the day its

scheduled and/or flowing quantities are reduced. If MRT

does not notify an interruptible Customer in advance of

reductions in scheduled and/or flowing quantities due to an

intraday nomination by a firm Customer, no penalties will be

imposed by MRT on such interruptible Customer for the day of

the reduction. No penalties other than penalties assessed

during periods in which OFOs and/or curtailment orders are

in effect will be imposed by MRT on interruptible Customers

whose scheduled and/or flowing quantities were reduced due to

firm Customers' intraday nominations.

(iv) Intraday nominations submitted on the day prior to

gas flow, if scheduled, will take effect at the start of the

next gas day.

(h) Nomination Confirmation. MRT shall contact the

appropriate upstream and downstream parties to confirm the

nominated quantities.