Midwestern Gas Transmission Company


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Effective Date: 05/01/2001, Docket: RP01-338-000, Status: Effective

Fifth Revised Sheet No. 70 Fifth Revised Sheet No. 70 : Effective

Superseding: Fourth Revised Sheet No. 70






7. Correction of metering errors - adjustments: A measurement data correction

shall become a prior period adjustment (PPA) after the fifth (5th) business day

following the production month.


GISB Standard 2.3.14 (Version 1.4) states: Measurement data corrections should

be processed within 6 months of the production month with a 3-month rebuttal

period. This standard shall not apply in the case of deliberate omission or

misrepresentation or mutual mistake of fact. Parties' other statutory or

contractual rights shall not otherwise be diminished by this standard.


8. Preservation of metering records: Transporter, Shipper, and Operator shall each

preserve for a period of at least one year all test data, charts, and other

similar records.




1. Monthly invoicing date: Transporter shall prepare invoices (including imbalance

statements) no later than the ninth business day of the month for all gas

service furnished during the preceding invoicing period. Transporter may render

separate invoices for reservation charges, for commodity charges, for cash-out

charges, and for other charges. Invoices may be rendered by mail or electronic



2. Right of examination: Both Transporter and Shipper shall have the right to

examine at any reasonable time the applicable books and records (or portions

thereof) of the other to the extent necessary to verify the accuracy of any

statement made under or pursuant to the provisions of the gas service contract.

Upon receipt of a request, the requestee will either send the relevant

information to the requestor or will provide the requestor the right to review

such information in the requestee's offices.




1. Monthly payment date: Shipper (or other payor) shall pay Transporter, at a

bank designated by Transporter, so that payment is received and Transporter has

available funds within ten (10) calendar days from the receipt of the invoice,

for the natural gas service purchased by Shipper during the preceding month and

billed by Transporter pursuant to the Tariff and the gas service agreement.

Shipper (or other Payor) shall provide Transporter with supporting

documentation with any payment as well as the appropriate invoice number on the

payment(s). Transporter shall apply the payment pursuant to the supporting

documentation provided.


2. Remedies for non-payment: Should Shipper fail to pay all of the amount of any

invoice as herein provided when such amount is due, Shipper shall pay a Charge

for Late Payment. Such Charge for Late Payment shall be determined by

multiplying (a) the unpaid portion of the invoice, by (b) the ratio of the

number of days from the due date to the date of actual payment to 365, by (c)

the interest rate calculated in accordance with Section 154.501 (d) of the

Commission's regulations. If such failure to pay continues for thirty (30)

days after payment is due and Transporter