Western Gas Interstate Company

Third Revised Volume No. 1

Effective Date: 06/01/1993, Docket: RS92- 53-003, Status: Effective

Revised Original Sheet No. 263 Revised Original Sheet No. 263 : Superseded

GENERAL TERMS AND CONDITIONS

(continued)

provisions hereof. Western, Buyer and Shipper shall

preserve all such books, records, and charts or copies

thereof for a period of at least three (3) years.

8.3 Correction of Billing Errors - In the event an error is

discovered in the amount billed in any statement rendered

by Western, such error shall be adjusted within thirty days

of the claim therefore, provided that claim therefore shall

have been made within twelve (12) months from the date of

such statement.

8.4 Billing Disputes - If Buyer or Shipper disputes the amount

due under any bill, the Buyer or Shipper shall provide

notice to Western of such disagreement by providing

detailed calculations supporting the disputed amount and

the amount paid on or before the twenty-fifth (25th) day of

the month during which the bill is due.

9. PAYMENT:

9.1 Payment - On or before the twenty-fifth day of each month,

Buyer or Shipper shall pay Western, at Western's general

office, or at Western's option, by wire transfer or to a

bank designated by Western, the amount due from Buyer or

Shipper for the preceding month as billed by Western.

9.2 Unpaid Amounts - Should Buyer or Shipper fail to pay the

amount of any bill for gas delivered, as herein provided,

when such amount is due, interest on the unpaid amount

shall accrue at the rate and in the manner provided by the

Commission's Regulations, Section 154.67(c)(2)(iii)(A) and

(B) from the due date until the date of payment. If such

failure to pay continues for thirty days after payment is

due, Western, in addition to any other remedy it may have,

may, after obtaining any requisite authorization, suspend

further delivery of gas until such amount is paid;

provided, however, that if Buyer or Shipper, in good faith,

shall dispute the amount of such bill or part thereof and

shall pay to Western such amount not in dispute and at any

time thereafter, within thirty days of a demand made by

Western, shall furnish a good and sufficient surety bond,