INSURED MUNICIPALS INCOME TRUST 170TH INSURED MULTI SERIES, 497J, 1995-01-03

INSURED MUNICIPALS INCOME TRUST 170TH INSURED MULTI SERIES
497J, 1995-01-03

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                             January 3, 1995


                                    



Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549-1004

Attn:  Filing Desk, Stop 1-4

     Re:  Insured Municipals Income Trust 170th Insured Multi-Series
                  (File No. 33-55891)  (CIK No. 897397)


Gentlemen:

     In  accordance  with the provisions of Rule 497(j) of  Regulation  C
under  the  Securities  Act of 1933 (the "Securities  Act")  this  letter
serves  to  certify  that the most recent amendment to  the  registration
statement of Form S-6 for the above captioned Trust does not differ  from
that  which  would  have  been  filed pursuant  to  Rule  497(b)  of  the
Securities Act.  Amendment No. 1 to the registration statement, which was
the  most  recent  amendment  to the registration  statement,  was  filed
electronically with the Commission on December 28, 1994.


                                    Very truly yours,



                                    Van Kampen Merritt Inc.