POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/William L. Armstrong
------------------------
William L. Armstrong


Witness: Kathleen Ives
         ---------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Avis\CNYTET.doc









                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Robert G. Avis
------------------------------
Robert G. Avis


Witness: /s/Kathleen Ives
         ---------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Bowen\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/George C. Bowen
------------------------------------
George C. Bowen


Witness:  /s/Kathleen Ives
         ---------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Cameron\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Edward L. Cameron
------------------------------------
Edward L. Cameron


Witness: /s/Kathleen Ives
         ---------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Fossel\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Jon S. Fossel
------------------------------
Jon S. Fossel


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Freedman\CNYTET.doc













                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Sam Freedman
------------------------------
Sam Freedman


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Grabish\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Richard F. Grabish
------------------------------------
Richard F. Grabish


Witness: /s/Kathleen Ives
         ---------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Hamilton\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Beverly Hamilton
------------------------------------
Beverly Hamilton


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Malone\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Robert J. Malone
------------------------------------
Robert J. Malone


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Marshall\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my  capacity  as a Trustee  of  Centennial  New York Tax  Exempt  Trust (the
"Trust"),  to sign on my behalf any and all  Registration  Statements  (including  any
post-effective  amendments to  Registration  Statements)  under the  Securities Act of
1933, the Investment  Company Act of 1940 and any amendments and supplements  thereto,
and proxy  statements  or other  documents in connection  thereunder,  and to file the
same, with all exhibits  thereto,  and other documents in connection  therewith,  with
the U.S. Securities and Exchange Commission,  granting unto said attorneys-in-fact and
agents,  and each of them,  full power and  authority to do and perform each and every
act and thing  requisite and necessary to be done in and about the premises,  as fully
as to all intents  and  purposes  as I might or could do in person,  hereby  ratifying
and  confirming  all that said  attorneys-in-fact  and agents,  and each of them,  may
lawfully do or cause to be done by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/F. William Marshall
------------------------------------
F. William Marshall


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Murphy\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my capacity  as a Trustee,  President  and  Principal  Executive  Officer of
Centennial New York Tax Exempt Trust (the  "Trust"),  to sign on my behalf any and all
Registration  Statements  (including  any  post-effective  amendments to  Registration
Statements)  under the Securities Act of 1933, the Investment  Company Act of 1940 and
any amendments and  supplements  thereto,  and proxy  statements or other documents in
connection  thereunder,  and to file the same,  with all exhibits  thereto,  and other
documents in connection  therewith,  with the U.S. Securities and Exchange Commission,
granting  unto said  attorneys-in-fact  and agents,  and each of them,  full power and
authority to do and perform each and every act and thing  requisite  and  necessary to
be done in and  about the  premises,  as fully as to all  intents  and  purposes  as I
might  or  could  do  in  person,  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact  and agents,  and each of them,  may lawfully do or cause to be done
by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/John V. Murphy
------------------------------
John V. Murphy


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary







I:\shardata\ossexec\SHARDATA\Denver Board\2004\POA\Wixted\CNYTET.doc










                                   POWER OF ATTORNEY


            KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned,  constitutes  and
appoints  Tane  T.  Tyler  and  Mitchell  J.  Lindauer  each  as my  true  and  lawful
attorney-in-fact  and agent, with full power of substitution and  resubstitution,  for
me and in my capacity as a Treasurer and Principal  Financial and  Accounting  Officer
of Centennial  New York Tax Exempt Trust (the  "Trust"),  to sign on my behalf any and
all Registration  Statements (including any post-effective  amendments to Registration
Statements)  under the Securities Act of 1933, the Investment  Company Act of 1940 and
any amendments and  supplements  thereto,  and proxy  statements or other documents in
connection  thereunder,  and to file the same,  with all exhibits  thereto,  and other
documents in connection  therewith,  with the U.S. Securities and Exchange Commission,
granting  unto said  attorneys-in-fact  and agents,  and each of them,  full power and
authority to do and perform each and every act and thing  requisite  and  necessary to
be done in and  about the  premises,  as fully as to all  intents  and  purposes  as I
might  or  could  do  in  person,  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact  and agents,  and each of them,  may lawfully do or cause to be done
by virtue hereof.
.


Dated this 28th  day of June, 2004








/s/Brian W. Wixted
------------------------------------
Brian W. Wixted


Witness: /s/Kathleen Ives
        ----------------------------
        Kathleen Ives
        Assistant Secretary