<SEC-DOCUMENT>0001104659-20-003578-index.html : 20200114
<SEC-HEADER>0001104659-20-003578.hdr.sgml : 20200114
<ACCEPTANCE-DATETIME>20200114060338
ACCESSION NUMBER:		0001104659-20-003578
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200114
DATE AS OF CHANGE:		20200114

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:	333-235696
		FILM NUMBER:		20524907

	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>tv536114_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tv536114_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_teubentrust-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_teubentrust-4c.jpg

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>sg_mary-hilfiger.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: sg_mary-hilfiger.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>lg_pncfinancial-4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: lg_pncfinancial-4clr.jpg

</DOCUMENT>
</SEC-DOCUMENT>