Exhibit 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Community Bank System, Inc. (the
"Company") on Form 10-K for the year ended March 15, 2004 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Mark E.
Tryniski, Chief Operating Officer and Chief Financial Officer of the Company,
certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1)   the Report fully complies with the requirements of Section 13(a) or 15(d)
      of the Securities Exchange Act of 1934; and

(2)   the information contained in the Report fairly presents, in all material
      respects, the financial condition and results of operations of the
      Company.


/s/ Mark E. Tryniski
- ------------------------
Mark E. Tryniski,
Treasurer, Chief Operating Officer and Chief Financial Officer
March 12, 2004


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