Young Gas Storage Company, Ltd.

Original Volume No. 1

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Effective Date: 08/01/1999, Docket: RP99-359-000, Status: Effective

Third Revised Sheet No. 111A Third Revised Sheet No. 111A : Superseded

Superseding: Second Revised Sheet No. 111A






(v) Young's nightly processing and routine maintenance

occurring outside of normal business hours are apt to

interrupt the normal schedule for Nominations/quick

response turnaround stated in GISB Standard 1.3.37.

Such delays should be kept to a minimum. The normal

schedule should be resumed at the earliest

opportunity and no later than the start of normal

working hours the following day, seven days per week.

(GISB Standard 1.3.38)


(b) Nomination Data Elements.


(i) All Nominations should be considered original

Nominations and should be replaced to be changed.

When a Nomination for a date range is received, each

Day within that range is considered an original

Nomination. When a subsequent Nomination is received

for one or more Days within that range, the previous

Nomination is superseded by the subsequent Nomination

only to the extent of the Days specified. The Days of

the previous Nomination outside the range of the

subsequent Nomination are unaffected. Nominations

have a prospective effect only. (GISB Standard 1.3.7)


(ii) Certain Nomination data elements are identified as

"key" fields and define the basis of a unique

Nomination record. Changes to non-key data elements

will cause a previous Nomination containing the same

key data elements to be replaced. Young's mandatory

and optional data elements to be used by the customer

shall be clearly and definitively stated in the

trading partner agreement between Young and Customer.

Such data elements shall conform to the requirements

of Data Dictionary standards as set forth in GISB

Standard 1.4.1.


(iii) Young's Key Nomination data fields are composed of:

service requester contract (Service Agreement),

transaction type, Upstream Party, upstream contract