# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-21-030055
Filing Date
2021-03-01
Accepted
2021-03-01 16:42:00
Documents
145
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | cbu-20201231x10k.htm iXBRL | 10-K | 9144475
2 | EXHIBIT 4.5 | cbu-20201231xex4d5.htm | EX-4.5 | 9383
3 | EXHIBIT 21.1 | cbu-20201231xex21d1.htm | EX-21.1 | 11292
4 | EXHIBIT 23.1 | cbu-20201231xex23d1.htm | EX-23.1 | 4033
5 | EXHIBIT 31.1 | cbu-20201231xex31d1.htm | EX-31.1 | 10999
6 | EXHIBIT 31.2 | cbu-20201231xex31d2.htm | EX-31.2 | 10787
7 | EXHIBIT 32.1 | cbu-20201231xex32d1.htm | EX-32.1 | 5984
8 | EXHIBIT 32.2 | cbu-20201231xex32d2.htm | EX-32.2 | 6199
14 | GRAPHIC | cbu-20201231x10k001.jpg | GRAPHIC | 7964
15 | GRAPHIC | cbu-20201231x10k002.jpg | GRAPHIC | 124009
| Complete submission text file | 0001104659-21-030055.txt |  | 35518118

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | cbu-20201231_pre.xml | EX-101.PRE | 1161950
10 | XBRL TAXONOMY EXTENSION SCHEMA | cbu-20201231.xsd | EX-101.SCH | 133762
11 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE | cbu-20201231_cal.xml | EX-101.CAL | 212537
12 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | cbu-20201231_def.xml | EX-101.DEF | 722738
13 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | cbu-20201231_lab.xml | EX-101.LAB | 1419324
16 | EXTRACTED XBRL INSTANCE DOCUMENT | cbu-20201231x10k_htm.xml | XML | 8958729

Mailing Address 5790 WIDEWATERS PARKWAY DEWITT NY 13214
Business Address 5790 WIDEWATERS PKWY DEWITT NY 13214 8007242262
COMMUNITY BANK SYSTEM, INC. (Filer) CIK: 0000723188 (see all company filings)

EIN.: 161213679 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-13695 | Film No.: 21698601
SIC: 6021 National Commercial Banks