FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   STICKELS ERIC 2. Date of Event Requiring Statement (Month/Day/Year) 12/04/2015 3. Issuer Name and Ticker or Trading Symbol COMMUNITY BANK SYSTEM, INC. [CBU] (Last) (First) (Middle) C/O COMMUNITY BANK SYSTEM, INC., 5790 WIDEWATERS PARKWAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) 12/14/2015 (Street) DEWITT, NY 13214 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 15,041 (1) D   Common Stock 27,224.0545 (1) I By Oneida Financial Corp. 401(k) Plan Common Stock 10,947.9598 (1) I By Oneida Financial Corp. Employee Stock Ownership Plan Common Stock 1,730 (1) I By Wife Common Stock 4,639.1383 (1) I By Wife's Oneida Financial Corp. 401(k) Common Stock 3,199.0834 (1) I By Wife's Oneida Financial Corp. Employee Stock Ownership Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
STICKELS ERIC C/O COMMUNITY BANK SYSTEM, INC. 5790 WIDEWATERS PARKWAY DEWITT, NY 13214	  X	Â	Â	Â

Signatures

Danielle M. Cima, pursuant to a Confirming Statement executed by Eric E. Stickels		05/16/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This amended Form 3 is filed by the reporting person to report the final allocation and proration of the Community Bank System, Inc. common stock acquired pursuant to the Agreement and Plan of Merger, dated as of February 24, 2015 (the "Merger Agreement"). Under the terms of the Merger Agreement, each share of Oneida Financial Corp. stock held by the reporting person was converted into and became exchangeable for shares of Community Bank System, Inc. common stock. Under the terms of the Merger Agreement, and subject to the allocation and proration procedures set forth therein, for each share of Oneida Financial common stock, the reporting person could elect to receive either (a) cash at the rate of $20.00 per share, (b) 0.5635 shares of Community Bank System, Inc. common stock, or (c) a combination of 60% Community Bank System, Inc. common stock and 40% cash, using the same 0.5635 exchange ratio and $20.00 per share cash price.

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