Williams Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 05/01/1997, Docket: RP97- 67-002, Status: Effective

Second Revised Sheet No. 212 Second Revised Sheet No. 212 : Superseded

Superseding: First Revised Sheet No. 212

GENERAL TERMS AND CONDITIONS

5. DETERMINATION OF RECEIPTS AND DELIVERIES

5.1 Receipts

The monthly methodology types which may be agreed upon by WNG and

the delivering party under a PDA or an OBA are ranked, pro rata,

percentage, or swing. The party responsible for custody transfer

(the party performing the measurement function) will provide the

allocation. If the parties cannot agree upon a methodology, the

actual quantity received shall be allocated pro rata among all

Shippers based on each Shipper's approved and accepted nominations.

5.2 Deliveries

The monthly methodology types which may be agreed upon by WNG and

the receiving party under a PDA or an OBA are ranked, pro rata,

percentage, or swing. The party responsible for custody transfer

(the party performing the measurement function) will provide the

allocation. If the parties cannot agree upon a methodology, the

actual quantity delivered shall be allocated pro rata among all

Shippers based on each Shipper's approved and accepted nominations.

A Shipper under Rate Schedules STS and SFT may not receive

deliveries of gas (1) under Rate Schedule ITS, (2) as a Replacement

Shipper under the firm capacity reassignment provisions of Article

11, or (3) from third parties, unless such Shipper first takes its

full MDTQ under Rate Schedule STS or SFT.