EXHIBIT 14



  CONSENT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption "Financial Highlights"
included  in  the Prospectus/Proxy Statement that forms part of the Registration
Statement on Form  N-14  of  Federated  Municipal  Securities  Income Trust (the
"Registration  Statement")  and  to  the references to us included in  Federated
Municipal Securities Income Trust's Statement  of  Additional  Information dated
May  31,  2007,  which  is  incorporated  by  reference  into  the  Registration
Statement, and to the incorporation by reference into the Registration Statement
of  our  report  dated  May  17,  2007 on the financial statements and financial
highlights of Federated Municipal Securities  Fund,  Inc. included in the Annual
Report dated March 31, 2007.

                                                           /s/ ERNST & YOUNG LLP

Boston, Massachusetts
May 23, 2007