Exhibit 99.77Q3 CERT

Registrant Name: American Century California Tax-Free and Municipal Funds
File Number: 811-3706
Registrant CIK Number: 0000717316


     (a)(i) As of October  22,  2002,  an  evaluation  was  performed  under the
supervision and with the participation of the Registrant's management, including
the  President  (Principal  Executive  Officer) and Treasurer  (Chief  Financial
Officer),  of the  effectiveness of the design and operation of the Registrant's
disclosure controls and procedures.  Based on that evaluation,  the Registrant's
management,   including  the  President  and   Treasurer,   concluded  that  the
Registrant's disclosure controls and procedures were effective as of October 22,
2002

     (a)(ii)There have been no significant changes in the Registrant's  internal
controls or in other factors that could  significantly  affect internal controls
subsequent to October 22, 2002."

(a)      (iii)

I, William M. Lyons, certify that:"

     1. I have reviewed this report on Form N-SAR of American Century California
Tax-Free & Municipal Funds;

     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  information  included  in this
report,  and the  financial  statements on which the  financial  information  is
based, 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-2(c) under the Investment Company Act) for the registrant and have:

     a) designed such disclosure controls and procedures 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) evaluated the effectiveness of the registrant's  disclosure controls and
procedures  as of a date  within 90 days prior to the filing date of this report
(the ""Evaluation Date""); and"

     c) presented in this report our conclusions  about the effectiveness of the
disclosure  controls and procedures based on our evaluation as of the Evaluation
Date;

     5. The registrant's other certifying  officers and I have disclosed,  based
on our most  recent  evaluation,  to the  registrant's  auditors  and the  audit
committee of the  registrant's  board of directors  (or persons  performing  the
equivalent functions):

     a) all  significant  deficiencies  in the design or  operation  of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize,  and  report  financial  data and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

     b) any fraud,  whether or not material,  that involves  management or other
employees who have a significant role in the registrant's internal controls; and

     6. The registrant's other certifying  officers and I have indicated in this
report whether or not there were significant  changes in internal controls or in
other factors that could  significantly  affect internal controls  subsequent to
the date of our most recent  evaluation,  including any corrective  actions with
regard to significant deficiencies and material weaknesses.

29-Oct-02

/s/ William M. Lyons
William M. Lyons
President & Principal Executive Officer



I, Maryanne Roepke, certify that:"

     1. I have reviewed this report on Form N-SAR of American Century California
Tax-Free & Municipal Funds;

     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  information  included  in this
report,  and the  financial  statements on which the  financial  information  is
based, 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-2(c) under the Investment Company Act) for the registrant and have:

     a) designed such disclosure controls and procedures 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) evaluated the effectiveness of the registrant's  disclosure controls and
procedures  as of a date  within 90 days prior to the filing date of this report
(the ""Evaluation Date""); and"

     c) presented in this report our conclusions  about the effectiveness of the
disclosure  controls and procedures based on our evaluation as of the Evaluation
Date;

     5. The registrant's other certifying  officers and I have disclosed,  based
on our most  recent  evaluation,  to the  registrant's  auditors  and the  audit
committee of the  registrant's  board of directors  (or persons  performing  the
equivalent functions):

     a) all  significant  deficiencies  in the design or  operation  of internal
controls  which  could  adversely  affect  the  registrant's  ability to record,
process,  summarize,  and  report  financial  data and have  identified  for the
registrant's auditors any material weaknesses in internal controls; and

     b) any fraud,  whether or not material,  that involves  management or other
employees who have a significant role in the registrant's internal controls; and

     6. The registrant's other certifying  officers and I have indicated in this
report whether or not there were significant  changes in internal controls or in
other factors that could  significantly  affect internal controls  subsequent to
the date of our most recent  evaluation,  including any corrective  actions with
regard to significant deficiencies and material weaknesses.

29-Oct-02


/s/ Maryanne Roepke
Maryanne Roepke
Treasurer & Principal Financial Officer