UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM F-X

           APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING


A.   Name of issuer or person filing ("Filer"):     TRANSCANADA CORPORATION
                                                --------------------------------

B.   This is [check one]

     [X] an original filing for the Filer

     [ ] an amended filing for the Filer


C.   Identify the filing in conjunction with which this Form is being filed:

     Name of registrant      TRANSCANADA CORPORATION
                        --------------------------------------------------------
     Form type      40-F
               -----------------------------------------------------------------
     File Number (if known)
                            ----------------------------------------------------
     Filed by      TRANSCANADA CORPORATION
              ------------------------------------------------------------------
     Date Filed (if filed concurrently, so indicate:

         FILED CONCURRENTLY WITH ANNUAL REPORT ON FORM 40-F
     ---------------------------------------------------------------------------


D.   The Filer is incorporated or organized under the laws of

               CANADA

     and has its principal place of business at

               450 - 1ST STREET S.W.
               CALGARY, ALBERTA, CANADA
               T2P 5H1

               TELEPHONE: (403) 920-2000





E.   The Filer designates and appoints TRANSCANADA POWER MARKETING LTD.
     ("Agent") located at

               110 TURNPIKE ROAD
               SUITE 203
               WESTBOROUGH, MASSACHUSETTS 01581
               ATTENTION: SECRETARY

               TELEPHONE: (508) 871-7046

     as the agent of the Filer upon whom may be served any process, pleadings,
     subpoenas, or other papers in

          (a)  any investigation or administrative proceeding conducted by the
               Commission; and

          (b) any civil suit or action brought against the Filer or to which the
     Filer has been joined as defendant or respondent, in any appropriate court
     in any place subject to the jurisdiction of any state or of the United
     States or of any of its territories or possessions or of the District of
     Columbia, where the investigation, proceeding or cause of action arises out
     of or relates to or concerns (i) any offering made or purported to be made
     in connection with the securities registered or qualified by the Filer with
     the Commission or any purchase or sales of such securities; (ii) the
     securities in relation to which the obligation to file an annual report on
     Form 40-F arises, or any purchases or sales of such securities; (iii) any
     tender offer for the securities of a Canadian issuer with respect to which
     filings are made by the Filer with the Commission on Schedule 13E-4F,
     14D-1F or 14D-9F; or (iv) the securities in relation to which the Filer
     acts as trustee pursuant to Rule 10a-5 under the Trust Indenture Act of
     1939. The Filer stipulates and agrees that any such civil suit or action or
     administrative proceeding may be commenced by the service of process upon,
     and that service of an administrative subpoena shall be effected by service
     upon such agent for service of process, and that the service as aforesaid
     shall be taken and held in all courts and administrative tribunals to be
     valid and binding as if personal service thereof had been made.

F.   Each person filing this Form in connection with:

     (a)  the use of Form F-9, F-10, 40-F, or SB-2 or Schedule 13E-4F, 14D-1F or
          14D-9F stipulates and agrees to appoint a successor agent for service
          of process and file an amended Form F-X if the Filer discharges the
          Agent or the Agent is unwilling or unable to accept service on behalf
          of the Filer at any time until six years have elapsed from the date
          the issuer of the securities to which such forms and schedules relate
          has ceased reporting under the Exchange Act;

     (b)  the use of Form F-8, Form F-80 or Form CB stipulates and agrees to
          appoint a successor agent for service of process and file an amended
          Form F-X if the Filer discharges the Agent or the Agent is unwilling
          or unable to accept service on behalf of the Filer at any time until
          six years have elapsed following the effective date of the latest
          amendment to such Form F-8, Form F-80 or Form CB;


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     (c)  its status as trustee with respect to securities registered on Form
          F-7, F-8, F-9, F-10, F-80 or SB-2, stipulates and agrees to appoint a
          successor agent for service of process and file an amended Form F-X if
          the Filer discharges the Agent or the Agent is unwilling or unable to
          accept service on behalf of the Filer at any time during which any of
          the securities subject to the indenture remain outstanding; and

     (d)  the use of Form 1-A or other Commission form for an offering pursuant
          to Regulation A stipulates and agrees to appoint a successor agent for
          service of process and file an amended Form F-X if the Filer
          discharges the Agent or the Agent is unwilling or unable to accept
          service on behalf of the Filer at any time until six years have
          elapsed from the date of the last sale of securities in reliance upon
          the Regulation A exemption.

     Each Filer further undertakes to advise the Commission promptly of any
     change to the Agent's name or address during the applicable period by
     amendment of this Form, referencing the file number of the relevant form in
     conjunction with which the amendment is being filed.


G.   Each person filing this Form, other than a trustee filing in accordance
     with General Instruction I.(e) of this Form, undertakes to make available,
     in person or by telephone, representatives to respond to inquiries made by
     the Commission staff, and to furnish promptly, when requested to do so by
     the Commission staff, information relating to: the forms, schedules and
     offering statements described in General Instructions I.(a), I.(b), I.(c),
     I(d) and I.(f) of this Form, as applicable, the securities to which such
     forms, schedules and offering statements relate; and the transactions in
     such securities.

The Filer certifies that it has duly caused this power of attorney, consent,
stipulation and agreement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Calgary, Province of Alberta, Country
of Canada this 15th day of March, 2004.

Filer:   TRANSCANADA CORPORATION


By:    /s/ RHONDDA E.S. GRANT
   --------------------------------
Name:  Rhondda E.S. Grant
Title: Corporate Secretary


This statement has been signed by the following person in the capacity and on
the dates indicated.

TRANSCANADA POWER MARKETING LTD.
AS AUTHORIZED AGENT OF TRANSCANADA PIPELINES LIMITED

By:    /s/ RHONDDA E.S. GRANT
   --------------------------------
Name:  Rhondda E.S. Grant
Title: Secretary
Date:  March 15, 2004


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