# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001558370-21-010508
Filing Date
2021-08-05
Accepted
2021-08-05 15:41:03
Documents
64
Period of Report
2021-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | iboc-20210630x10q.htm iXBRL | 10-Q | 4528721
2 | EX-31.(A) | iboc-20210630xex31da.htm | EX-31.(A) | 14833
3 | EX-31.(B) | iboc-20210630xex31db.htm | EX-31.(B) | 14819
4 | EX-32.(A) | iboc-20210630xex32da.htm | EX-32.(A) | 10523
5 | EX-32.(B) | iboc-20210630xex32db.htm | EX-32.(B) | 9998
| Complete submission text file | 0001558370-21-010508.txt |  | 17988712

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | EX-101.SCH | iboc-20210630.xsd | EX-101.SCH | 41461
7 | EX-101.CAL | iboc-20210630_cal.xml | EX-101.CAL | 79066
8 | EX-101.DEF | iboc-20210630_def.xml | EX-101.DEF | 239921
9 | EX-101.LAB | iboc-20210630_lab.xml | EX-101.LAB | 506254
10 | EX-101.PRE | iboc-20210630_pre.xml | EX-101.PRE | 407658
11 | EXTRACTED XBRL INSTANCE DOCUMENT | iboc-20210630x10q_htm.xml | XML | 5514953

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.: 211147953
SIC: 6022 State Commercial Banks