Rule 497(j)
                                             Reg. No. 33-48855
                                             Reg. No. 33-25184

Pursuant to Rule 497 (j) promulgated under the Securities Act
of 1933, the Registrant, Dean Witter Select Municipal Trust, Insured
California Series 60 and Long Term Portfolio Series 123, hereby certifies
as follows:

1)  the form of prospectus that would have been filed under
paragraph (b) of Rule 497 does not differ from that contained
in the most recent amendment to the registration statement,
and

2)  the text of the said amendment to the registration
statement has been filed electronically.

                         DEAN WITTER SELECT MUNICIPAL TRUST,
                         INSURED CALIFORNIA SERIES 60
                         LONG TERM PORTFOLIO SERIES 123

                         By:  Dean Witter Reynolds Inc.
                                 (Depositor)

                                Thomas Hines
                                Thomas Hines
                                Authorized signatory



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