# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001558370-21-006171
Filing Date
2021-05-06
Accepted
2021-05-06 14:55:04
Documents
64
Period of Report
2021-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | iboc-20210331x10q.htm iXBRL | 10-Q | 3752460
2 | EX-31.(A) | iboc-20210331xex31da.htm | EX-31.(A) | 14844
3 | EX-31.(B) | iboc-20210331xex31db.htm | EX-31.(B) | 14816
4 | EX-32.(A) | iboc-20210331xex32da.htm | EX-32.(A) | 10549
5 | EX-32.(B) | iboc-20210331xex32db.htm | EX-32.(B) | 10024
| Complete submission text file | 0001558370-21-006171.txt |  | 15864550

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | EX-101.SCH | iboc-20210331.xsd | EX-101.SCH | 41117
7 | EX-101.CAL | iboc-20210331_cal.xml | EX-101.CAL | 80940
8 | EX-101.DEF | iboc-20210331_def.xml | EX-101.DEF | 242758
9 | EX-101.LAB | iboc-20210331_lab.xml | EX-101.LAB | 513421
10 | EX-101.PRE | iboc-20210331_pre.xml | EX-101.PRE | 411948
11 | EXTRACTED XBRL INSTANCE DOCUMENT | iboc-20210331x10q_htm.xml | XML | 4756002

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-Q | Act: 34 | File No.: 000-09439 | Film No.: 21897255
SIC: 6022 State Commercial Banks