<SEC-DOCUMENT>0001144204-17-007292-index.html : 20170210
<SEC-HEADER>0001144204-17-007292.hdr.sgml : 20170210
<ACCEPTANCE-DATETIME>20170210114136
ACCESSION NUMBER:		0001144204-17-007292
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20170210
DATE AS OF CHANGE:		20170210

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMMUNITY BANK SYSTEM, INC.
		CENTRAL INDEX KEY:			0000723188
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				161213679
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214961
		FILM NUMBER:		17591061

	BUSINESS ADDRESS:	
		STREET 1:		5790 WIDEWATERS PKWY
		CITY:			DEWITT
		STATE:			NY
		ZIP:			13214
		BUSINESS PHONE:		8007242262

	MAIL ADDRESS:	
		STREET 1:		5790 WIDEWATERS PARKWAY
		CITY:			DEWITT
		STATE:			NY
		ZIP:			13214

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK NA, a subsidiary of Community Bank System Inc
		DATE OF NAME CHANGE:	20130729

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK NA, a subsidiary of Community Bank System Inc.
		DATE OF NAME CHANGE:	20130726

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK SYSTEM INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>v458624_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: v458624_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>logo_merchantsbanc.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: logo_merchantsbanc.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sig_jeffrey-davis.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: sig_jeffrey-davis.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>spacer.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: spacer.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>line.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: line.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>sig_jamie-oberle.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: sig_jamie-oberle.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>logo_piperjaffary.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: logo_piperjaffary.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>sig_piperjaffary.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: sig_piperjaffary.jpg

</DOCUMENT>
</SEC-DOCUMENT>