Gas Transmission Northwest Corporation
FERC Gas Tariff
Third Revised Volume No. 1-A

Seventh Revised Sheet No. 100
Superseding
Sixth Revised Sheet No. 100

                  TRANSPORTATION GENERAL TERMS AND CONDITIONS
                               TABLE OF CONTENTS
Paragraph No.                       Provision                       Sheet No.
    1    Definitions                                                     101
    2    Equality of Transportation Service                              108
    3    Quality of Gas                                                  110
    4    Measuring Equipment                                             112
    5    Measurements                                                    114
    6    Inspection of Equipment and Records                             116
    7    Billing                                                         117
    8    Payment                                                         118
    9    Notice of Changes in Operating Conditions                       119
    10   Force Majeure                                                   120
    11   Warranty of Eligibility for Transportation                      121
    12   Possession of Gas and Responsibility                            121
    13   Indemnification                                                 121
    14   Arbitration                                                     122
    15   Governmental Regulations                                        122
    16   Miscellaneous Provision                                         123
    17   Transportation Service Agreement                                123
    18   Operating Provisions                                            125
    19   Priority of Service, Scheduling and Nominations                 142
    20   Curtailment                                                     159
    21   Balancing                                                       160
    22   Annual Charge Adjustment (ACA) Provision                        170
    23   Informational Postings                                          170
    24   Complaint Procedures                                            171
    25   Information Concerning Availability and Pricing
         of Transportation Service and Capacity Available for
         Transportation                                                  172
    26   Market Centers                                                  173
    27   Planned GTN Capacity Curtailments and Interruptions             174
    28   Capacity Release                                                175
    29   Flexible Receipt and Delivery Points                            200
    30   Operational Flow Order Procedures                               204
    31   Negotiated Rates                                                208
    32   Reservation of Capacity for Expansion Projects                  210
    33   Right of First Refusal Upon Termination of
         Firm Shipper's Service Agreement                                211
    34   Electronic Communications                                       216
    35   Pipeline Integrity Plan Surcharge                               221
    35A  Crediting of Interruptible Transportation Revenues for
         Extensions                                                      222
    36   Discount Policy                                                 225
    37   Adjustment Mechanism for Fuel, Line Loss and Other
         Unaccounted For Gas Percentages                                 227
    38   Incremental Fuel Reallocation Mechanism                         229
    39   Sales of Excess Gas                                             230
    40   Gas Industry Standards                                          231

Issued by: John A Roscher, Director of Rates & Regulatory Affairs
Issued on: February 14, 2008                  Effective on: January 1, 2007
Filed to comply with order of the Federal Energy Regulatory Commission, Docket 
No. RP06-407-008, issued January 7, 2008, 22 FERC ś 61,012