EX-99.906CERT

Section 906 Certifications

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

John V. Murphy, Principal Executive Officer, and Brian W. Wixted, Principal
Financial Officer, of Centennial Tax Exempt Trust (the "Registrant"), each
certify to the best of his or her knowledge that:

      1.    The Registrant's periodic report on Form N-CSR for the period ended
            June 30, 2005 (the "Form N-CSR") fully complies with the
            requirements of Section 15(d) of the Securities Exchange Act of
            1934, as amended; and

      2.    The information contained in the Form N-CSR fairly presents, in all
            material respects, the financial condition and results of operations
            of the Registrant. This certification is being furnished to the
            Commission solely pursuant to 18 U.S.C. ss. 1350 and is not being
            filed as part of the Form N-CSR filed with the Commission.

Principal Executive Officer                     Principal Financial Officer

Centennial Tax Exempt Trust                     Centennial Tax Exempt Trust

/s/ John V. Murphy                              /s/ Brian W. Wixted
- ----------------------------                    ---------------------------
John V. Murphy                                  Brian W. Wixted

Date: August 10, 2005                           Date: August 10, 2005