Tuscarora Gas Transmission Company

Original Volume No. 1

Effective Date: 07/01/2003, Docket: RP03-373-000, Status: Effective

Fifth Revised Sheet No. 37B Fifth Revised Sheet No. 37B : Effective

Superseding: Fourth Revised Sheet No. 37B

GENERAL TERMS AND CONDITIONS

2.32 Operational Flow Order.

(a) An operational flow order is an order issued to alleviate

conditions, inter alia, which threaten or could threaten the safe

operations or system integrity, of the transportation service

provider's system or to maintain operations required to provide

efficient and reliable firm service. Whenever a Transportation

Service Provider experiences these conditions, any pertinent order

should be referred to as an Operational Flow Order.

(b) The declaration to the affected parties of operational flow

orders, critical periods, and/or critical notices should describe

the conditions and the specific responses required from the

affected parties.

2.33 Elapsed-Prorated-Scheduled Quantity.

Elapsed-prorated-scheduled quantity means that portion of the

scheduled quantity that would have theoretically flowed up to the

effective time of the intraday nomination being confirmed, based

upon a cumulative uniform hourly quantity for each nomination

period affected.

2.34 Elapsed Prorata Capacity.

Elapsed Prorata Capacity means that portion of the capacity that

would have theoretically been available for use prior to the

effective time of the intraday recall based upon a cumulative uniform

hourly use of the capacity.

2.35 Daily System Imbalance

(a) The term "Daily System Imbalance" shall mean the difference on any

given gas day, subject to adjustment for scheduled make-up

quantities, between (a) the sum of the Scheduled Input Quantities

under all of Shipper's Transportation Service Agreements at all

Receipt Points at which Transporter receives quantities of gas for

Shipper's account, exclusive of the applicable Measurement Variance

Quantities, and (b) the sum of the Equivalent Quantities taken

under all of Shipper's Transportation Service Agreements at all

Delivery Points at which Transporter delivers gas for Shipper's

account.

(b) All Transportation Service Providers should allow Service Requesters

(SRs) (including agents of SRs) to net imbalances within the same

Operational Impact Area on and across contracts with the SR and to

trade imbalances within the same Operational Impact Area.

2.36 Electronic Notice Delivery

Electronic Notice Delivery is the term used to describe the

delivery of notices via Internet E-mail and/or EDI/EDM.