EXHIBIT 99.2

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

     In connection with the Annual Report on Form 10-K of WNC Housing Tax Credit
Fund IV, L.P., Series 1 (the "Partnership") for the year ended March 31, 2003 as
filed with the  Securities  and  Exchange  Commission  on the date  hereof  (the
"Report"),  and  pursuant to 18 U.S.C.,  section  1350,  as adopted  pursuant to
section  906 of the  Sarbanes-Oxley  Act of  2002,  I,  Thomas  J.  Riha,  Chief
Financial Officer of WNC & Associates, Inc., general partner of the Partnership,
hereby certify that:

     1.   The Report fully  complies with the  requirements  of section 13(a) or
          15(d) 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 result of operations of
          the Partnership.


/s/THOMAS J. RIHA
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Thomas J. Riha
Chief Financial Officer of WNC & Associates, Inc.
June 24, 2003