Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 07/01/2003, Docket: RP03-360-000, Status: Effective

Eleventh Revised Sheet No. 49 Eleventh Revised Sheet No. 49 : Effective

Superseding: Tenth Revised Sheet No. 49

GENERAL TERMS AND CONDITIONS

(continued)

1. DEFINITIONS

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Except as otherwise indicated, the following terms when used herein or in any

agreement incorporating these General Terms and Conditions in this FERC Gas

Tariff are intended, used and shall be construed to have the following

meaning:

1.1 The term "day" shall mean a period of 24 consecutive hours beginning

and ending at nine o'clock a.m. Central Clock Time.

1.15 The term "business day" is defined as Monday through Friday, excluding

Federal Banking Holidays.

1.2 The term "month" or "billing month" shall mean the period beginning at

nine o'clock a.m. Central Clock Time on the first day of a calendar

month and ending at the same hour on the first day of the next

succeeding calendar month; provided that if deliveries are not

commenced on the first day of a calendar month, then the billing month

shall start with the commencement of deliveries during the current

month.

1.25 The term "Central Clock Time" shall mean Central Standard Time

throughout the year, as adjusted for Central Daylight Time.

1.26 The term "Electronic Transmission" shall mean a mutually agreeable

means of data communication whereby data is input by the Shipper

directly into Transporter's internal system applications either by

keypunch or by means of electronic data file processing.

1.27 The term pooling shall mean: (1) the aggregation of gas from multiple

physical and/or logical points to a single physical or logical point;

and/or (2) the dis-aggregation of gas from a single physical or

logical point to multiple physical and/or logical points.

1.28 NAESB (also referred to in this tariff as GISB) Standards are the business practices and

electronic standards adopted by the Wholesale Gas Quadrant of North American Energy Standards

Board ("NAESB") and by the Commission. Transwestern incorporates the following NAESB

Definitions, Standards and Datasets by reference herein:

Version 1.6 - July 31, 2002:

0.3.1; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.8; 1.2.9; 1.2.10; 1.2.11; 1.2.12; 1.2.13; 1.2.14;

1.2.15; 1.2.16; 1.2.17; 1.2.18; 1.2.19; 1.3.7; 1.3.14; 1.3.15; 1.3.16; 1.3.17; 1.3.18; 1.3.22;

1.3.23; 1.3.26; 1.3.27; 1.3.30; 1.3.35; 1.3.36; 1.3.37; 1.3.38; 1.3.43; 1.3.44; 1,3,45;

1.3.46; 1.3.47; 1.3.48; 1.3.49; 1.3.50; 1.3.51; 1.3.52; 1,3,53; 1.3.54; 1.3.55; 1.3.56;

1.3.57; 1.3.58; 1.3.59; 1.3.60; 1.3.61; 1.3.62; 1.3.63; 1.3.64; 1.3.65; 1.3.66; 1.3.67;

1.3.68; 1.3.69; 1.3.70; 1.3.71; 1.3.72; 1.3.73; 1.3.74; 1.3.75; 1.3.76; 1.3.77; 1.3.78;

1.3.79; 1.4.1; 1.4.2; 1.4.3; 1.4.4; 1.4.5; 1.4.6; 1.4.7; 2.2.2; 2.2.3; 2.3.1; 2.3.2; 2.3.3;

2.3.4; 2.3.5; 2.3.6; 2.3.8; 2.3.9; 2.3.10; 2.3.12; 2.3.13; 2.3.15; 2.3.16; 2.3.17; 2.3.18;

2.3.19; 2.3.20; 2.3.21; 2.3.22 ; 2.3.23; 2.3.24; 2.3.25; 2.3.26; 2.3.27; 2.3.28; 2.3.29;

2.3.30; 2.3.32; 2.3.33; 2.3.34; 2.3.35; 2.3.36; 2.3.37; 2.3.38; 2.3.39; 2.3.40; 2.3.41;

2.3.42; 2.3.43; 2.3.44; 2.3.45; 2.3.46; 2.3.47; 2.3.48; 2.3.49; 2.3.50; 2.4.1; 2.4.2; 2.4.3;

2.4.4; 2.4.5; 2.4.6; 2.4.7; 2.4.8; 2.4.9; 2.4.10; 2.4.11; 2.4.12; 2.4.13; 2.4.14; 2.4.15;

2.4.16; 3.3.1; 3.3.2; 3.3.3; 3.3.4; 3.3.5; 3.3.6; 3.3.7; 3.3.8;