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Rule 497(d)
DEAN WITTER SELECT MUNICIPAL TRUST
SUPPLEMENT TO PROSPECTUS
APRIL 4, 1994
The record date for each series of the Dean Witter
Select Municipal Trust has been changed to the 9th day of each
month. The distribution date remains unchanged.
The prospectus included in the Registration Statement for
Dean Witter Select Municipal Trust, Insured New Jersey Series 3, California
Portfolio Series 55, North Carolina Portfolio Series 6 and Virginia Portfolio
Series 14 is hereby incorporated by reference.