Mississippi River Transmission Corp.

Third Revised Volume No. 1

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Effective Date: 11/01/1993, Docket: RS92- 43-004, Status: Effective

Original Sheet No. 142 Original Sheet No. 142 : Superseded

GENERAL TERMS AND CONDITIONS

(Continued)

10. TRANSPORTATION BALANCING (Continued)

(c) Make up quantities may be suspended while a System

Protection Warning or a System Integrity Alert is in effect. In

such instances, the Customer or Pool Operator will be given an

extension of time to make up the required make up amount

equivalent to the duration of the suspension, or MRT may waive the

make up requirement on a nondiscriminatory basis.

(d) A penalty will be imposed on any uncorrected make up

quantities at the end of the five day make up period. The penalty

will be equal to the amount of the uncorrected make up quantity

multiplied by the maximum ITS tariff rate set forth on Sheet No. 7

of this tariff.

10.4 Pre-Existing Imbalances

(a) In order to facilitate the transition to cash

balancing, Customers with imbalances existing as of the effective

date of this tariff (pre-existing imbalances) will be given two

options to correct such imbalances.

(i) Option 1

Customers may cash out their pre-existing imbalances

at MRT's weighted average cost of Customers' imbalance gas

as reflected on MRT's accounting records as of the effective

date of this tariff. Customers desiring to utilize this

option must notify MRT within thirty (30) days of the

effective date of this tariff. After the thirty day period

for notification, this option will not be available to

correct pre-existing imbalances.

(ii) Option 2

Customers will be given three (3) months to correct

such imbalances in kind. Pre-existing imbalances due MRT

remaining at the end of the three month period will be

cashed out at MRT's weighted average cost of Customers'

imbalance gas as of the effective date of this tariff plus

applicable carrying charges. For pre-existing imbalances