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<ACCEPTANCE-DATETIME>20191127130508
ACCESSION NUMBER:		0001623632-19-001663
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		15
FILED AS OF DATE:		20191127
DATE AS OF CHANGE:		20191127
EFFECTIVENESS DATE:		20191127

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FEDERATED INCOME SECURITIES TRUST
		CENTRAL INDEX KEY:			0000789281
		IRS NUMBER:				251412886
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-03164
		FILM NUMBER:		191255693

	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:	FEDERATED FLOATING RATE TRUST
		DATE OF NAME CHANGE:	19920205
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<SERIES>
<OWNER-CIK>0000789281
<SERIES-ID>S000009077
<SERIES-NAME>Federated Short-Term Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024660
<CLASS-CONTRACT-NAME>Class A Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FTIAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024661
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FSTYX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000024662
<CLASS-CONTRACT-NAME>Service Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FSTIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000176845
<CLASS-CONTRACT-NAME>Class R6 Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FSILX
</CLASS-CONTRACT>
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<SERIES>
<OWNER-CIK>0000789281
<SERIES-ID>S000030463
<SERIES-NAME>Federated Floating Rate Strategic Income Fund
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<CLASS-CONTRACT-ID>C000093604
<CLASS-CONTRACT-NAME>Institutional Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FFRSX
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<CLASS-CONTRACT-ID>C000100297
<CLASS-CONTRACT-NAME>Class A Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FRSAX
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<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000133131
<CLASS-CONTRACT-NAME>Class C Shares
<CLASS-CONTRACT-TICKER-SYMBOL>FRICX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000176299
<CLASS-CONTRACT-NAME>Class R6 Shares
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