<SEC-DOCUMENT>0001558370-20-003984-index.html : 20200417
<SEC-HEADER>0001558370-20-003984.hdr.sgml : 20200417
<ACCEPTANCE-DATETIME>20200417112132
ACCESSION NUMBER:		0001558370-20-003984
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20200518
FILED AS OF DATE:		20200417
DATE AS OF CHANGE:		20200417
EFFECTIVENESS DATE:		20200417

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERNATIONAL BANCSHARES CORP
		CENTRAL INDEX KEY:			0000315709
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				742157138
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09439
		FILM NUMBER:		20798350

	BUSINESS ADDRESS:	
		STREET 1:		12OO SAN BERNARDO AVE
		STREET 2:		PO BOX 1359
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040-1359
		BUSINESS PHONE:		9567227611

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1359
		STREET 2:		1200 SAN BERNARDO
		CITY:			LAREDO
		STATE:			TX
		ZIP:			78040
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tmb-20200518xdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tmb-20200518xdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tmb-20200518xdef14ag001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tmb-20200518xdef14ag001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tmb-20200518xdef14ag002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tmb-20200518xdef14ag002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tmb-20200518xdef14ag003.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tmb-20200518xdef14ag003.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tmb-20200518xdef14ag004.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tmb-20200518xdef14ag004.gif

</DOCUMENT>
</SEC-DOCUMENT>