Exhibit 32.1

                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                 SECTION 906 OF THOE SARBANES-OXLEY ACT OF 2002


Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, with respect to the Quarterly Report of the Company
on Form 10-Q/A for the quarter ended June 30, 2004, (the "Report"), each of the
undersigned officers of Impax Laboratories, Inc. does hereby certify that:

1.       The Report fully complies with the requirements of the Section 13(a)
         or 15(d), as applicable, of the Securities Exchange Act of 1934; and

2.       The information contained in the Report fairly presents, in all
         material respects, the financial condition and results of operations of
         the Company.








                                                                                   
          /s/ Barry R. Edwards                 Chief Executive Officer           Date: November 16, 2004
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            Barry R. Edwards



          /s/ Cornel C. Spiegler               Chief Financial Officer           Date: November 16, 2004
- ----------------------------------------
            Cornel C. Spiegler




The foregoing certification is being furnished solely pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002 (Section 1350 of Chapter 63 of Title 18 of the
U.S. Code) and is not being filed as part of the Report or as a separate
disclosure document.