Western Gas Interstate Company

Fourth Revised Volume No. 1

Effective Date: 06/01/1997, Docket: RP97-160-001, Status: Effective

First Revised Sheet No. 203 First Revised Sheet No. 203 : Effective

Superseding: ORIGINAL SHEET NO. 203

GENERAL TERMS AND CONDITIONS

(continued)

1.24 Retention Quantity - The term "Retention Quantity"

shall mean that portion of the volumes tendered

for transportation to Western at a Receipt Point

that Western shall retain as compensation for fuel

use, lost gas, and unaccounted for gas.

1.25 Sales Rate Schedules - The term "Sales Rate

Schedules" shall mean Western's GSS Rate

Schedules, as contained in this Tariff. All gas

sales service provided by Western pursuant to

these Sales Rate Schedules shall be unbundled

sales service as required by Part 284 of the

Commission's Regulations.

1.26 Service Agreement - The term "Service Agreement"

shall mean a fully executed service agreement,

pursuant to the forms of service agreements

included in this Tariff, for service under any of

the Sales Rate Schedules or Transportation Rate

Schedules.

1.27 Service Year - The term "Service Year" shall mean

a 12 month period beginning at 12:01 AM on January

1 and continuing to 12:01 A.M. on January 1 of the

succeeding year.

1.28 Shipper - The term "Shipper" shall mean any of

Western's customers authorized to receive

transportation service under any of the

Transportation Rate Schedules pursuant to an

Executed Service Agreement.

1.29 Tariff - The term "Tariff" shall mean Western's

currently effective FERC Gas Tariff, which is

comprised of Fourth Revised Volume No. 1 and

Original Volume No. 2, or any superseding tariff.

1.30 Transportation Rate Schedules - The term

"Transportation Rate Schedules" shall mean

Western's FT-N, RCS and IT-N Rate Schedules.

1.31 Western - The term "Western" shall mean Western

Gas Interstate Company.