Rule 497(d)
DEAN WITTER SELECT MUNICIPAL TRUST
CALIFORNIA INTERMEDIATE LONG TERM PORTFOLIO SERIES 28 (INSURED)
INSURED CALIFORNIA PORTFOLIO SERIES 62
NATIONAL PORTFOLIO SERIES 125
SUPPLEMENT TO PROSPECTUS
DATED JANUARY 16, 1996
The sales charge in the secondary market will
reflect different rates depending upon the maturities of the
various underlying Securities as follows:
(as percent of bid (as percent of
Time to Maturity side evaluation) Offering Price
Less than 1 year 0% 0%
Over 1 year to 2 years 0.756% 0.75%
Over 2 years to 3 years 1.523% 1.50%
Over 3 years to 6 years 2.564% 2.50%
Over 6 years to 10 years 3.627% 3.50%
Over 10 years to 14 years 4.712% 4.50%
15 years and over 5.820% 5.50%
The prospectus included in the Registration Statement for
Dean Witter Select Municipal Trust, California Intermediate Long
Term Portfolio Series 28 (Insured), Insured California Portfolio
Series 62 and National Portfolio Series 125 is hereby
incorporated by reference.
