Enbriidge Pipelines (Midla) L. L. C.

FIFTH REVISED VOLUME NO. 1

Effective Date: 10/01/2009, Docket: RP09-980-000, Status: Effective

First Revised Sheet No. 100 First Revised Sheet No. 100

Superseding: Original Sheet No. 100

GENERAL TERMS AND CONDITIONS

Each of the following General Terms and Conditions applies to each Rate

Schedule contained in this Fifth Revised Volume No. 1, unless otherwise

indicated herein or in the applicable Rate Schedule.

1. DEFINITIONS

The following terms, when used herein or in any agreement incorporating

these General Terms and Conditions shall have the following meaning:

1.1 AGENT. The term "Agent" shall mean any party designated by a

Customer to act on such Customer's behalf under the terms and

conditions of this FERC Gas Tariff.

1.2 BCF. The term "Bcf" shall mean one billion (1,000,000,000) cubic

feet of Gas.

1.3 BILLING MONTH or MONTH. The terms "Billing Month or Month" shall

mean the calendar Month.

1.4 BRITISH THERMAL UNIT (Btu). The term "Btu" shall mean the

quantity of heat required to raise the temperature of one (1)

pound avoirdupois of pure water from fifty-eight and five-tenths

degrees Fahrenheit (58.5o F.) to fifty-nine and five-tenths

degrees Fahrenheit (59.5o F.) at a constant pressure of fifteen

and twenty-five thousandths (15.025) pounds per square inch

absolute (15.025 psia). Such quantity shall be reported in

compliance with NAESB Standard 2.3.9 which is incorporated herein

by reference.

1.5 BUSINESS DAY. The term "Business Day" is defined as Monday

through Friday, excluding Federal Banking Holidays for

transactions in the U.S., and similar holidays occurring in Canada

and Mexico

1.6 COMMISSION or FERC. The terms "Commission" or "FERC" shall mean

the Federal Energy Regulatory Commission or any successor agency.

1.7 CRITICAL NOTICE. The term "critical notice" shall mean a notice,

in accordance with NAESB Standards, which pertains to information

on Pipeline conditions that affect scheduling or adversely affect

scheduled Gas flow.

1.8 CUBIC FOOT OF GAS. The term "cubic foot of gas" shall mean, for

the purpose of measurement of the Gas and for all other purposes

of this Tariff, the amount of Gas necessary to fill a cubic foot

of space when the Gas is at an absolute pressure of fifteen and

twenty-five thousandths (15.025) pounds per square inch and at a

base temperature of sixty (60) degrees Fahrenheit. Such amount

shall be reported in compliance with NAESB Standard 2.3.9 which is

incorporated herein by Reference.