0001239944-07-000031 4 1 20070726 20070727 20070727 COMMUNITY BANK SYSTEM INC 0000723188 6021 161213679 DE 1231 5790 WIDEWATERS PKWY DEWITT NY 13214 8007242262 5790 WIDEWATERS PARKWAY DEWITT NY 13214 DONAHUE BRIAN D 0001265443 4 34 001-13695 071006334 229 CAROLINA STREET OLEAN NY 14760 4 1 edgar.xml PRIMARY DOCUMENT