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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)

IRS No.: 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