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[On Letterhead of The Bank of New York]
Exhibit 4.2
October 16, 2000
Nuveen Investments
333 West Wacker Drive
Chicago, Illinois 60606
Re: Nuveen Unit Trusts--Series 106
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Dear Sirs:
The Bank of New York is acting as Evaluator for the series of Nuveen Unit
Trust set forth above (the "Trust"). We enclose a list of the Securities to be
deposited in the Trust on the date hereof. The prices indicated therein reflect
our evaluation of such Securities as of close of business on October 13, 2000
in accordance with the valuation method set forth in the Standard Terms and
Conditions of Trust for Nuveen Unit Trust Series 106 and subsequent. We consent
to the reference to The Bank of New York as the party performing the evaluations
of the Trust Securities in the Registration Statement (No. 333-47658) filed with
the Securities and Exchange Commission with respect to the registration of the
sale of the Trust Units and to the filing of this consent as an exhibit thereto.
Very truly yours,
/s/ Thomas Porrazzo
Thomas Porrazzo
Vice President
