Williams Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 05/01/1997, Docket: RP97- 67-004, Status: Effective

Substitute Second Revised Sheet No. 227B Substitute Second Revised Sheet No. 227B : Superseded

Superseding: First Revised Sheet No. 227B

GENERAL TERMS AND CONDITIONS

9. SCHEDULING, CURTAILMENT AND IMBALANCES (Cont'd)

(d) An intra-day nomination will not be accepted if it would

curtail gas that is already flowing, regardless of its rate

schedule.

(e) Intra-day nominations cannot cause an agreement to exceed its

MDTQ.

9.3 Scheduling

(a) Receipts - WNG shall schedule gas at receipt points on its

transmission system in the following order:

First, firm Shippers using primary receipt points up to the

MDTQ of the service agreement,

Second, firm Shippers using secondary receipt points up to the

MDTQ of the service agreement,

Third, ITS and AOS Shippers based on rate paid, from highest

to lowest. ITS and AOS Shippers, whose gas is already flowing

at a discounted rate, may state, in advance, that they are

willing to pay the maximum rate to retain service in the event

WNG receives a higher bid.

(b) Deliveries - WNG shall schedule gas at delivery points on its

transmission system in the following order:

First, firm Shippers using primary delivery points up to the

MDTQ of the service agreement,

Second, firm Shippers using secondary delivery points up to

the MDTQ of the service agreement,