U.S. 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”): Computershare Trust Company of Canada

     B. (1) This is [check one]:

	þ		an original filing for the Filer
	o		an amended filing for the Filer

(2) Check the following box if you are filing the Form F-X in paper in accordance with Regulation S-T rule 101(b)(9) o

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

Name of Registrant:		The Thomson Corporation
Form type:		F-9
File Number (if known):
Filed by:		The Thomson Corporation
Date Filed (if filed concurrently, so indicate):		September 1, 2005 (Filed Concurrently)

     D. Filer is incorporated or organized under the laws of Ontario, Canada and has its principal place of business at 100 University Avenue, 9th Floor, North Tower, Toronto, Ontario, Canada M5J 2Y1, telephone number (416) 263-9342.

     E. Filer designates and appoints CT Corporation System (“Agent”) located at 111 Eighth Avenue, New York, New York, phone: (212)590-9100. 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 on Form F-9 on September 1, 2005 or any purchases or sales of any security in connection therewith; (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. The Filer 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;

          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, thereto duly authorized, in the City of Toronto, Country of Canada on this 1st day of September, 2005.

		COMPUTERSHARE TRUST COMPANY OF CANADA
		By:		/s/Morag Abraham
		Name:		Morag Abraham
		Title:		Professional, Corporate Trust
		By:		/s/Cheryl Davidson
		Name:		Cheryl Davidson
		Title:		Administrator, Corporate Trust

     This statement has been signed by the following person in the capacity indicated and on September 1, 2005:

		CT CORPORATION SYSTEM
		By:		/s/Michael J. Mitchell
		Name:		Michael J. Mitchell
		Title:		Assistant Secretary