<SEC-DOCUMENT>0001623632-16-004068-index.html : 20161107
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<ACCEPTANCE-DATETIME>20161107132058
ACCESSION NUMBER:		0001623632-16-004068
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		28
FILED AS OF DATE:		20161107
DATE AS OF CHANGE:		20161107
EFFECTIVENESS DATE:		20161107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED MUNICIPAL SECURITIES INCOME TRUST
		CENTRAL INDEX KEY:			0000866700
		IRS NUMBER:				251695291
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-36729
		FILM NUMBER:		161977411

	BUSINESS ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561
		BUSINESS PHONE:		8003417400

	MAIL ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNICIPAL SECURITIES INCOME TRUST
		DATE OF NAME CHANGE:	19921023

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED MUNICIPAL INCOME TRUST
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED MUNICIPAL SECURITIES INCOME TRUST
		CENTRAL INDEX KEY:			0000866700
		IRS NUMBER:				251695291
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-06165
		FILM NUMBER:		161977412

	BUSINESS ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561
		BUSINESS PHONE:		8003417400

	MAIL ADDRESS:	
		STREET 1:		4000 ERICSSON DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086-7561

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNICIPAL SECURITIES INCOME TRUST
		DATE OF NAME CHANGE:	19921023

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FEDERATED MUNICIPAL INCOME TRUST
		DATE OF NAME CHANGE:	19920703
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<OWNER-CIK>0000866700
<SERIES-ID>S000009090
<SERIES-NAME>Federated Michigan Intermediate Municipal Trust
<CLASS-CONTRACT>
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<CLASS-CONTRACT-NAME>Class A Shares
<CLASS-CONTRACT-TICKER-SYMBOL>MMIFX
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<SERIES-ID>S000009091
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<SERIES-ID>S000009094
<SERIES-NAME>Federated Pennsylvania Municipal Income Fund
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<FILENAME>formmsit.htm
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<TYPE>EX-101.INS
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Document 2 - file: fmsit-20161026.xml

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