PRUDENTIAL UNIT TRUSTS TAX EXEMPT SERIES 19, 497J, 1994-05-05

PRUDENTIAL UNIT TRUSTS TAX EXEMPT SERIES 19
497J, 1994-05-05

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                              Rule 497(j)
                              Registration No. 33-10534
                              Registration No. 33-9388       


Pursuant to Rule 497(j) promulgated under the Securities Act of
1933, the Registrant, Prudential Unit Trusts, Tax-Exempt Series
19 and Insured Tax-Exempt Series 23 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.

                         PRUDENTIAL UNIT TRUSTS, 
                         Tax-Exempt Series 19
                         Insured Tax-Exempt Series 23


                         By: Prudential Securities Incorporated
                                  (Depositor)


                             Richard R. Hoffmann
                             Richard R. Hoffmann
                             Authorized Signatory