Exhibit a(iv ) under Form N-1A
                                            Exhibit 3(i) under Item 601/Reg. S-K

                  FEDERATED MUNICIPAL OPPORTUNITIES FUND, INC.

                              ARTICLES OF AMENDMENT


     FEDERATED  MUNICIPAL  OPPORTUNITIES  FUND,  INC.,  a  Maryland  corporation
(hereinafter called the "Corporation"), hereby certifies to the State Department
of Assessments and Taxation that:

     FIRST:  The Articles of Incorporation of the Corporation are hereby amended
by striking Article FIRST and inserting the following in its place:

          "FIRST: The name of the Corporation is Federated  Municipal High Yield
          Advantage Fund, Inc."

          SECOND: The foregoing  amendment to the charter of the Corporation was
          approved  by a  majority  of the  entire  Board  of  Directors  of the
          Corporation;  the charter  amendment is limited to a change  expressly
          permitted by Section 2-605 of the Maryland General  Corporation Law to
          be  made  without  action  by  stockholders;  and the  Corporation  is
          registered as an open-end company under the Investment  Company Act of
          1940, as amended.

          THIRD: These Articles of Amendment shall become effective as of August
          1, 2004.

     IN WITNESS WHEREOF, Federated Municipal Opportunities Fund, Inc. has caused
these  Articles  of  Amendment  to be signed in its name and on its behalf as of
July 26, 2004, by its President and Assistant  Secretary,  who acknowledge  that
these Articles of Amendment are the act of the Corporation,  that to the best of
their knowledge, information and belief, all matters and facts set forth therein
relating to the  authorization  and  approval of these  Articles are true in all
material  respects,  and that this  statement  is made  under the  penalties  of
perjury.


Witness:


/s/  Andrew P. Cross                By:  /s/ J. Christopher Donahue
------------------------------         ---------------------------------
Name:  Andrew P. Cross              Name:  J. Christopher Donahue
Title:  Assistant Secretary         Title:  President