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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)

IRS No.: 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