Portland General Electric Company

Original Volume No. 1

Effective Date: 12/03/2003, Docket: RP04- 48-000, Status: Effective

Original Sheet No. 69 Original Sheet No. 69 : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

13. OPERATING CONDITIONS (Continued)

13.12 Balancing. Balancing of thermally equivalent volumes of gas

received and delivered shall be achieved as nearly as feasible on a

daily basis, with any cumulative imbalance accounted for as provided in

Section 14. Imbalance makeup shall be nominated and scheduled in

accordance with the nomination procedures of this Section or netted or

traded as provided in Section 14.

13.13 System Integrity. Nothing herein shall limit Transporter's right

to take actions or to require Receiving Parties or Shippers hereunder to

take actions of whatever nature may be required to correct any

situations which may threaten the operation or integrity of its system,

including maintenance of service to other customers. Among the actions

Transporter shall be entitled to take is the issuance of Operational

Flow Orders in accordance with Section 13.14 below.

13.14 Operational Flow Order ("OFO")

(a) Transporter, in its reasonable discretion, will have the right to

issue OFOs when in its reasonable judgment it is necessary to

maintain or restore the operational integrity of its system.

Additional circumstances under which Transporter may determine that

OFOs may be issued include, but are not limited to:

(1) Responding to an event of force majeure;

(2) When an emergency arises that impacts line pack in order to

insure maintenance of the necessary level of line pack; and

(3) Accommodating emergency maintenance and repairs; and/or,

(4) Preventing receipts or deliveries that conflict with

contractual entitlements of others.

(b) An OFO identical in terms to that of the Delivering Pipeline shall be

deemed to be issued automatically by Transporter whenever the

Delivering Pipeline issues an OFO affecting deliveries to

Transporter.