VAN KAMPEN FOCUS PORTFOLIOS SERIES 262, 487, EX-99.4.1, 2000-10-31

VAN KAMPEN FOCUS PORTFOLIOS SERIES 262
487, EX-99.4.1, 2000-10-31

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                                                                     EXHIBIT 4.1

                                INTERACTIVE DATA
                           FINANCIAL TIMES Information
             100 William Street, 15th Floor, New York, NY 10038 USA
                    Tel: (212) 269-6300 Fax: (212) 771-6445


October 30, 2000


Van Kampen Funds Inc.
One Parkview Plaza
Oakbrook Terrace, IL 60181


         Re:  Van Kampen Focus Portfolios
              TD Waterhouse Financial Institutions Trust, Series 1
               (A Unit Investment Trust) Registered Under the Securities
              Act of 1933, File No. 333-47636

Gentlemen:

         We have examined the Registration Statement for the above captioned
Fund, a copy of which is attached hereto.

         We hereby consent to the reference in the Prospectus and Registration
Statement for the above captioned Fund to Interactive Data Corporation, as the
Evaluator, and to the use of the Obligations prepared by us which are referred
to in such Prospectus and Statement.

         You are authorized to file copies of this letter with the Securities
and Exchange Commission.

Very truly yours,


Steve Miano
Director Fixed Income Data Operations