VAN KAMPEN MERRITT INSURED INCOME TRUST SERIES 24 & SER 25, 497J, 1999-12-28

VAN KAMPEN MERRITT INSURED INCOME TRUST SERIES 24 & SER 25
497J, 1999-12-28

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                                December 28, 1999



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

Attn:  Filing Desk - Stop 1-4

     Re:  Van Kampen Merritt Insured Income Trust (Intermediate), Series 25
          Van Kampen Merritt Insured Income Trust, Series 24
          File No. 33-53312   CIK #893170

Ladies/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 Post-Effective of the subject Registration
Statement on 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. The
most recent amendment to the Registration Statement was filed electronically
with the commission on December 27, 1999.

                                    Very truly yours,

                                    Van Kampen Funds Inc.