# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001558370-21-001782
Filing Date
2021-02-25
Accepted
2021-02-25 14:35:56
Documents
115
Period of Report
2020-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | iboc-20201231x10k.htm iXBRL | 10-K | 710268
2 | EX-4 | iboc-20201231xex4.htm | EX-4 | 18558
3 | EX-13 | iboc-20201231xex13.htm iXBRL | EX-13 | 6451294
4 | EX-21 | iboc-20201231xex21.htm | EX-21 | 36037
5 | EX-23 | iboc-20201231xex23.htm | EX-23 | 2240
6 | EX-31.A | iboc-20201231xex31da.htm | EX-31.A | 14155
7 | EX-31.B | iboc-20201231xex31db.htm | EX-31.B | 13949
8 | EX-32.A | iboc-20201231xex32da.htm | EX-32.A | 8308
9 | EX-32.B | iboc-20201231xex32db.htm | EX-32.B | 8307
10 | GRAPHIC | iboc-20201231xex13006.jpg | GRAPHIC | 37593
| Complete submission text file | 0001558370-21-001782.txt |  | 27764589

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
11 | EX-101.SCH | iboc-20201231.xsd | EX-101.SCH | 109608
12 | EX-101.CAL | iboc-20201231_cal.xml | EX-101.CAL | 153336
13 | EX-101.DEF | iboc-20201231_def.xml | EX-101.DEF | 769685
14 | EX-101.LAB | iboc-20201231_lab.xml | EX-101.LAB | 1112108
15 | EX-101.PRE | iboc-20201231_pre.xml | EX-101.PRE | 974522
16 | EXTRACTED XBRL INSTANCE DOCUMENT | iboc-20201231x10k_htm.xml | XML | 7132663

Mailing Address P O BOX 1359 1200 SAN BERNARDO LAREDO TX 78040
Business Address 12OO SAN BERNARDO AVE PO BOX 1359 LAREDO TX 78040-1359 9567227611
INTERNATIONAL BANCSHARES CORP (Filer) CIK: 0000315709 (see all company filings)

EIN.: 742157138 | State of Incorp.: TX | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-09439 | Film No.: 21679493
SIC: 6022 State Commercial Banks