Exhibit 99.CERT

Section 302 Certifications
                                 CERTIFICATIONS


I, Brian W. Wixted, certify that:
   ---------------

1. I have reviewed this report on Form N-CSR of Centennial Tax Exempt Trust;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
made, in light of the circumstances under which such statements were made, not
misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officers and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
over financial reporting (as defined in Rule 30a-3(d) under the Investment
Company Act of 1940) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure
controls and procedures to be designed under our supervision, to ensure that
material information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such
internal control over financial reporting to be designed under our supervision,
to provide reasonable assurance regarding the reliability of financial reporting
and the preparation of financial statements for external purposes in accordance
with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and
procedures and presented in this report our conclusions about the effectiveness
of the disclosure controls and procedures, as of a date within 90 days prior to
the filing date of this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over
financial reporting that occurred during the registrant's most last fiscal
half-year that has materially affected, or is reasonably likely to materially
affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officers and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
trustees (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or
operation of internal control over financial reporting which are reasonably
likely to adversely affect the registrant's ability to record, process,
summarize, and report financial information; and

b) Any fraud, whether or not material, that involves management or other
employees who have a significant role in the registrant's internal control over
financial reporting.


Date:    8/13/04


         /s/Brian W. Wixted
         ----------------------------
         Brian W. Wixted
         Chief Financial Officer






                                                                  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, Chief Executive Officer, and Brian W. Wixted, Chief
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, 2004 (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.



Chief Executive Officer                       Chief 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: 8/13/04                                 Date:  8/13/04