Northern Border Pipeline Company

First Revised Volume No. 1

Effective Date: 10/02/2005, Docket: RP05-656-000, Status: Effective

Third Revised Sheet No. 260E Third Revised Sheet No. 260E : Effective

Superseding: Second Revised Sheet No. 260E

GENERAL TERMS AND CONDITIONS

10. NOMINATIONS/CONFIRMATIONS/SCHEDULING/INTERRUPTION OF SERVICE

(Continued)

10.6 Interruption of Service (Continued)

10.64 Notice of Service Interruption

If a full interruption, partial curtailment, or

reduction of service due to an OFO shall become

necessary, Company shall directly notify affected

Shipper(s) and post, as soon as possible, a summary of

the service interruption. The posting shall contain

information about the status of the operational

variables that 1) prompted such service interruption

and 2) the estimated effective period that the

interruption will be in effect. In addition, Company

shall post routine status updates throughout the

interruption period. Following the end of the OFO,

Company shall post on the Internet web site a report

detailing all circumstances leading to the issuance of

the OFO and its subsequent lifting of such OFO.

Company shall provide an estimate of the quantity of gas

it will be able to transport for the affected Shippers

during the service interruption period and shall give

like notice of the cessation of such interruption.

11. WAIVERS

No waiver by either Company or Shipper of any one or more defaults by

the other in the performance of any provisions of Shipper's Agreement

shall operate or be construed as a waiver of any subsequent or other

default or defaults, whether of a like or of a different character.

Company may waive any rights hereunder or any obligations of

Shipper applicable to any specific default that has already

occurred, or case-by-case in advance of any specific, temporary

operational problem, on a basis which is not unduly discriminatory;

provided that no waiver shall operate or be construed as a waiver

of other or future rights or obligations, whether of a like or

different character.

12. SEPARATE LIABILITY OF SHIPPER

The execution of an Agreement by Shipper shall result in Shipper

undertaking obligations of a separate nature, and shall not be

deemed to cause a joint, or joint and several, obligation vis a vis

any one or more other Shippers.