Northern Border Pipeline Company
FERC Gas Tariff
First Revised Volume No. 1

Second Revised Sheet No. 155
Superseding
First Revised Sheet No. 155

                              RATE SCHEDULE IT-1
                     INTERRUPTIBLE TRANSPORTATION SERVICE


  1.  AVAILABILITY

       1.1   This Rate Schedule is available to any Person (hereinafter 
             called Shipper) who requests transportation service pursuant 
             to Part 157 or Subparts B or G of Part 284 of the FERC's 
             Regulations and who has executed an IT-1 Transportation 
             Agreement with Company for transportation service under this 
             Rate Schedule.

       1.2   Company shall not be required to execute an IT-1 
             Transportation Agreement under this Rate Schedule prior to 
             determining the credit worthiness of Shipper and shall not 
             be required to perform service under this Rate Schedule on 
             behalf of any Shipper who fails to demonstrate credit 
             worthiness or to furnish sufficient security as provided in 
             Section 41 of the General Terms and Conditions.

  2.  APPLICABILITY AND CHARACTER OF SERVICE

       2.1   This Rate Schedule shall apply to the interruptible 
             Forwardhaul and Backhaul transportation of natural gas up to 
             the Total Interruptible Receipt Quantity set forth in 
             Exhibit A to a Shipper's executed IT-1 Transportation 
             Agreement subject to the availability of capacity sufficient 
             to provide service.

Issued by: Raymond D. Neppl, Vice President
Issued on: March 30, 2001                     Effective on: May 1, 2001