This Supplement is filed pursuant to Rule 497(d) with regard to
Municipal Investment Trust Fund, Multistate Series 403, California Insured and
Florida Insured Portfolios
The text of the supplement to the Prospectus dated November 5, 1998 is as
follows:
Supplement dated December 15, 1998
to Prospectus dated November 5, 1998, of
Municipal Investment Trust Fund
Multistate Series 403
California Insured and
Florida Insured Portfolios
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The figures in the Example on Page 4 should be revised as follows:
If you sell your units at the end of the period:
1 Year 3 Years 5 Years 10 Years
$326 $359 $396 $505
If you do not sell your units:
1 Year 3 Years 5 Years 10 Years
$231 $359 $396 $505
The figures in the Example on page 7 should be revised as follows:
If you sell your units at the end of the period:
1 Year 3 Years 5 Years 10 Years
$328 $368 $411 $539
If you do not sell your units:
1 Year 3 Years 5 Years 10 Years
$233 $368 $411 $539
