Young Gas Storage Company, Ltd.

Original Volume No. 1

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Effective Date: 09/01/2005, Docket: RP05-451-001, Status: Effective

Eighth Revised Sheet No. 48A Eighth Revised Sheet No. 48A : Effective

Superseding: Seventh Revised Sheet No. 48A

GENERAL TERMS AND CONDITIONS

(Continued)

1.10 "Confirmed Quantity" shall mean the final result of the Confirmation

process and is the quantity of Gas stated in MMBtu or Dth which has

been determined as authorized to flow on a specified Gas Day at a

specified Point of Injection or Withdrawal on behalf of a Shipper or

Shippers. Transporter's Scheduled Quantity reports provided via EDM

shall conform to the requirements of the Data Dictionary Standards

as set forth in NAESB Standard 1.4.5 and shall reflect Confirmed

Quantities.

1.11 "Daily Nomination" or "Timely Nomination" shall mean a Nomination

submitted by a Nominating Party in conformance with the Timely

Nomination Schedule set forth in Article VI of Shipper's Service

Agreement, one calendar day prior to the Begin Date of a Gas

transaction.

1.12 "Data Dictionaries" shall mean those documents created by the

Wholesale Gas Quadrant of the North American Energy Standards Board

("NAESB or NAESB WGQ") which implement the NAESB WGQ Standards, and

which specifically define the business names for the various

elements of the NAESB WGQ Standard data sets. The Data Dictionaries

also define the appropriate usage of the data element (for example,

Mandatory, Conditional, Sender's Option, Business Conditional, and

Mutually Agreeable). Unless otherwise stated, all NAESB WGQ Data

Dictionaries referenced by or incorporated into this Tariff are

Version 1.7. Transporter has, as part of its implementation of the

NAESB WGQ Standards, incorporated by reference, the following NAESB

WGQ Data Dictionaries:

1.4.1 Nominations

1.4.2 Nomination Quick Response

1.4.3 Request for Confirmation

1.4.4 Confirmation Response

1.4.5 Scheduled Quantity

1.4.6 Scheduled Quantity for Operator

1.4.7 Confirmation Response Quick Response

2.4.1 Predetermined Allocation

2.4.2 Predetermined Allocation - Quick Response

2.4.3 Allocation

2.4.4 Shipper Imbalance

2.4.5 Measurement Information

2.4.6 Measured Volume Audit Statement

2.4.7 Request for Information

2.4.8 Response to Request for Information

2.4.9 Authorization to Post Imbalances

2.4.10 Posted Imbalances Download

2.4.11 Request for Imbalance Trade

2.4.12 Request for Imbalance Trade Quick Response

2.4.13 Withdrawal of Request for Imbalance Trade